18995542020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{37409}}^1$

素因数の和:37475

約数の個数: 288

約数和(自身を含む): 73206282240

約数和(自身を除く): 54210740220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 31, 35, 36, 39, 42, 45, 52, 60, 62, 63, 65, 70, 78, 84, 90, 91, 93, 105, 117, 124, 126, 130, 140, 155, 156, 180, 182, 186, 195, 210, 217, 234, 252, 260, 273, 279, 310, 315, 364, 372, 390, 403, 420, 434, 455, 465, 468, 546, 558, 585, 620, 630, 651, 780, 806, 819, 868, 910, 930, 1085, 1092, 1116, 1170, 1209, 1260, 1302, 1365, 1395, 1612, 1638, 1820, 1860, 1953, 2015, 2170, 2340, 2418, 2604, 2730, 2790, 2821, 3255, 3276, 3627, 3906, 4030, 4095, 4340, 4836, 5460, 5580, 5642, 6045, 6510, 7254, 7812, 8060, 8190, 8463, 9765, 11284, 12090, 13020, 14105, 14508, 16380, 16926, 18135, 19530, 24180, 25389, 28210, 33852, 36270, 37409, 39060, 42315, 50778, 56420, 72540, 74818, 84630, 101556, 112227, 126945, 149636, 169260, 187045, 224454, 253890, 261863, 336681, 374090, 448908, 486317, 507780, 523726, 561135, 673362, 748180, 785589, 972634, 1047452, 1122270, 1159679, 1309315, 1346724, 1458951, 1571178, 1683405, 1945268, 2244540, 2319358, 2356767, 2431585, 2618630, 2917902, 3142356, 3366810, 3404219, 3479037, 3927945, 4376853, 4638716, 4713534, 4863170, 5237260, 5798395, 5835804, 6733620, 6808438, 6958074, 7294755, 7855890, 8117753, 8753706, 9427068, 9726340, 10212657, 10437111, 11596790, 11783835, 13616876, 13916148, 14589510, 15075827, 15711780, 16235506, 17021095, 17395185, 17507412, 20425314, 20874222, 21884265, 23193580, 23567670, 24353259, 29179020, 30151654, 30637971, 32471012, 34042190, 34790370, 40588765, 40850628, 41748444, 43768530, 45227481, 47135340, 48706518, 51063285, 52185555, 60303308, 61275942, 68084380, 69580740, 73059777, 75379135, 81177530, 87537060, 90454962, 97413036, 102126570, 104371110, 105530789, 121766295, 122551884, 135682443, 146119554, 150758270, 153189855, 162355060, 180909924, 204253140, 208742220, 211061578, 226137405, 243532590, 271364886, 292239108, 301516540, 306379710, 316592367, 365298885, 422123156, 452274810, 487065180, 527653945, 542729772, 612759420, 633184734, 678412215, 730597770, 904549620, 949777101, 1055307890, 1266369468, 1356824430, 1461195540, 1582961835, 1899554202, 2110615780, 2713648860, 3165923670, 3799108404, 4748885505, 6331847340, 9497771010, 18995542020]

約数ペア:

[(1, 18995542020), (2, 9497771010), (3, 6331847340), (4, 4748885505), (5, 3799108404), (6, 3165923670), (7, 2713648860), (9, 2110615780), (10, 1899554202), (12, 1582961835), (13, 1461195540), (14, 1356824430), (15, 1266369468), (18, 1055307890), (20, 949777101), (21, 904549620), (26, 730597770), (28, 678412215), (30, 633184734), (31, 612759420), (35, 542729772), (36, 527653945), (39, 487065180), (42, 452274810), (45, 422123156), (52, 365298885), (60, 316592367), (62, 306379710), (63, 301516540), (65, 292239108), (70, 271364886), (78, 243532590), (84, 226137405), (90, 211061578), (91, 208742220), (93, 204253140), (105, 180909924), (117, 162355060), (124, 153189855), (126, 150758270), (130, 146119554), (140, 135682443), (155, 122551884), (156, 121766295), (180, 105530789), (182, 104371110), (186, 102126570), (195, 97413036), (210, 90454962), (217, 87537060), (234, 81177530), (252, 75379135), (260, 73059777), (273, 69580740), (279, 68084380), (310, 61275942), (315, 60303308), (364, 52185555), (372, 51063285), (390, 48706518), (403, 47135340), (420, 45227481), (434, 43768530), (455, 41748444), (465, 40850628), (468, 40588765), (546, 34790370), (558, 34042190), (585, 32471012), (620, 30637971), (630, 30151654), (651, 29179020), (780, 24353259), (806, 23567670), (819, 23193580), (868, 21884265), (910, 20874222), (930, 20425314), (1085, 17507412), (1092, 17395185), (1116, 17021095), (1170, 16235506), (1209, 15711780), (1260, 15075827), (1302, 14589510), (1365, 13916148), (1395, 13616876), (1612, 11783835), (1638, 11596790), (1820, 10437111), (1860, 10212657), (1953, 9726340), (2015, 9427068), (2170, 8753706), (2340, 8117753), (2418, 7855890), (2604, 7294755), (2730, 6958074), (2790, 6808438), (2821, 6733620), (3255, 5835804), (3276, 5798395), (3627, 5237260), (3906, 4863170), (4030, 4713534), (4095, 4638716), (4340, 4376853), (4836, 3927945), (5460, 3479037), (5580, 3404219), (5642, 3366810), (6045, 3142356), (6510, 2917902), (7254, 2618630), (7812, 2431585), (8060, 2356767), (8190, 2319358), (8463, 2244540), (9765, 1945268), (11284, 1683405), (12090, 1571178), (13020, 1458951), (14105, 1346724), (14508, 1309315), (16380, 1159679), (16926, 1122270), (18135, 1047452), (19530, 972634), (24180, 785589), (25389, 748180), (28210, 673362), (33852, 561135), (36270, 523726), (37409, 507780), (39060, 486317), (42315, 448908), (50778, 374090), (56420, 336681), (72540, 261863), (74818, 253890), (84630, 224454), (101556, 187045), (112227, 169260), (126945, 149636)]