18511740

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{293}}^1$

素因数の和:330

約数の個数: 144

約数和(自身を含む): 62925408

約数和(自身を除く): 44413668

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 27, 30, 36, 39, 45, 52, 54, 60, 65, 78, 81, 90, 108, 117, 130, 135, 156, 162, 180, 195, 234, 243, 260, 270, 293, 324, 351, 390, 405, 468, 486, 540, 585, 586, 702, 780, 810, 879, 972, 1053, 1170, 1172, 1215, 1404, 1465, 1620, 1755, 1758, 2106, 2340, 2430, 2637, 2930, 3159, 3510, 3516, 3809, 4212, 4395, 4860, 5265, 5274, 5860, 6318, 7020, 7618, 7911, 8790, 10530, 10548, 11427, 12636, 13185, 15236, 15795, 15822, 17580, 19045, 21060, 22854, 23733, 26370, 31590, 31644, 34281, 38090, 39555, 45708, 47466, 52740, 57135, 63180, 68562, 71199, 76180, 79110, 94932, 102843, 114270, 118665, 137124, 142398, 158220, 171405, 205686, 228540, 237330, 284796, 308529, 342810, 355995, 411372, 474660, 514215, 617058, 685620, 711990, 925587, 1028430, 1234116, 1423980, 1542645, 1851174, 2056860, 3085290, 3702348, 4627935, 6170580, 9255870, 18511740]

約数ペア:

[(1, 18511740), (2, 9255870), (3, 6170580), (4, 4627935), (5, 3702348), (6, 3085290), (9, 2056860), (10, 1851174), (12, 1542645), (13, 1423980), (15, 1234116), (18, 1028430), (20, 925587), (26, 711990), (27, 685620), (30, 617058), (36, 514215), (39, 474660), (45, 411372), (52, 355995), (54, 342810), (60, 308529), (65, 284796), (78, 237330), (81, 228540), (90, 205686), (108, 171405), (117, 158220), (130, 142398), (135, 137124), (156, 118665), (162, 114270), (180, 102843), (195, 94932), (234, 79110), (243, 76180), (260, 71199), (270, 68562), (293, 63180), (324, 57135), (351, 52740), (390, 47466), (405, 45708), (468, 39555), (486, 38090), (540, 34281), (585, 31644), (586, 31590), (702, 26370), (780, 23733), (810, 22854), (879, 21060), (972, 19045), (1053, 17580), (1170, 15822), (1172, 15795), (1215, 15236), (1404, 13185), (1465, 12636), (1620, 11427), (1755, 10548), (1758, 10530), (2106, 8790), (2340, 7911), (2430, 7618), (2637, 7020), (2930, 6318), (3159, 5860), (3510, 5274), (3516, 5265), (3809, 4860), (4212, 4395)]