19759740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:97

約数の個数: 288

約数和(自身を含む): 77220864

約数和(自身を除く): 57461124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 13, 14, 15, 20, 21, 22, 26, 28, 30, 33, 35, 39, 42, 44, 47, 49, 52, 55, 60, 65, 66, 70, 77, 78, 84, 91, 94, 98, 105, 110, 130, 132, 140, 141, 143, 147, 154, 156, 165, 182, 188, 195, 196, 210, 220, 231, 235, 245, 260, 273, 282, 286, 294, 308, 329, 330, 364, 385, 390, 420, 429, 455, 462, 470, 490, 517, 539, 546, 564, 572, 588, 611, 637, 658, 660, 705, 715, 735, 770, 780, 858, 910, 924, 940, 980, 987, 1001, 1034, 1078, 1092, 1155, 1222, 1274, 1316, 1365, 1410, 1430, 1470, 1540, 1551, 1617, 1645, 1716, 1820, 1833, 1911, 1974, 2002, 2068, 2145, 2156, 2303, 2310, 2444, 2548, 2585, 2695, 2730, 2820, 2860, 2940, 3003, 3055, 3102, 3185, 3234, 3290, 3619, 3666, 3822, 3948, 4004, 4277, 4290, 4606, 4620, 4935, 5005, 5170, 5390, 5460, 6006, 6110, 6204, 6370, 6468, 6580, 6721, 6909, 7007, 7238, 7332, 7644, 7755, 8085, 8554, 8580, 9165, 9212, 9555, 9870, 10010, 10340, 10780, 10857, 11515, 12012, 12220, 12740, 12831, 13442, 13818, 14014, 14476, 15015, 15510, 16170, 17108, 18095, 18330, 19110, 19740, 20020, 20163, 21021, 21385, 21714, 23030, 25333, 25662, 26884, 27636, 28028, 29939, 30030, 31020, 32340, 33605, 34545, 35035, 36190, 36660, 38220, 40326, 42042, 42770, 43428, 46060, 47047, 50666, 51324, 54285, 59878, 60060, 64155, 67210, 69090, 70070, 72380, 75999, 80652, 84084, 85540, 89817, 94094, 100815, 101332, 105105, 108570, 119756, 126665, 128310, 134420, 138180, 140140, 141141, 149695, 151998, 179634, 188188, 201630, 210210, 217140, 235235, 253330, 256620, 282282, 299390, 303996, 329329, 359268, 379995, 403260, 420420, 449085, 470470, 506660, 564564, 598780, 658658, 705705, 759990, 898170, 940940, 987987, 1317316, 1411410, 1519980, 1646645, 1796340, 1975974, 2822820, 3293290, 3951948, 4939935, 6586580, 9879870, 19759740]

約数ペア:

[(1, 19759740), (2, 9879870), (3, 6586580), (4, 4939935), (5, 3951948), (6, 3293290), (7, 2822820), (10, 1975974), (11, 1796340), (12, 1646645), (13, 1519980), (14, 1411410), (15, 1317316), (20, 987987), (21, 940940), (22, 898170), (26, 759990), (28, 705705), (30, 658658), (33, 598780), (35, 564564), (39, 506660), (42, 470470), (44, 449085), (47, 420420), (49, 403260), (52, 379995), (55, 359268), (60, 329329), (65, 303996), (66, 299390), (70, 282282), (77, 256620), (78, 253330), (84, 235235), (91, 217140), (94, 210210), (98, 201630), (105, 188188), (110, 179634), (130, 151998), (132, 149695), (140, 141141), (141, 140140), (143, 138180), (147, 134420), (154, 128310), (156, 126665), (165, 119756), (182, 108570), (188, 105105), (195, 101332), (196, 100815), (210, 94094), (220, 89817), (231, 85540), (235, 84084), (245, 80652), (260, 75999), (273, 72380), (282, 70070), (286, 69090), (294, 67210), (308, 64155), (329, 60060), (330, 59878), (364, 54285), (385, 51324), (390, 50666), (420, 47047), (429, 46060), (455, 43428), (462, 42770), (470, 42042), (490, 40326), (517, 38220), (539, 36660), (546, 36190), (564, 35035), (572, 34545), (588, 33605), (611, 32340), (637, 31020), (658, 30030), (660, 29939), (705, 28028), (715, 27636), (735, 26884), (770, 25662), (780, 25333), (858, 23030), (910, 21714), (924, 21385), (940, 21021), (980, 20163), (987, 20020), (1001, 19740), (1034, 19110), (1078, 18330), (1092, 18095), (1155, 17108), (1222, 16170), (1274, 15510), (1316, 15015), (1365, 14476), (1410, 14014), (1430, 13818), (1470, 13442), (1540, 12831), (1551, 12740), (1617, 12220), (1645, 12012), (1716, 11515), (1820, 10857), (1833, 10780), (1911, 10340), (1974, 10010), (2002, 9870), (2068, 9555), (2145, 9212), (2156, 9165), (2303, 8580), (2310, 8554), (2444, 8085), (2548, 7755), (2585, 7644), (2695, 7332), (2730, 7238), (2820, 7007), (2860, 6909), (2940, 6721), (3003, 6580), (3055, 6468), (3102, 6370), (3185, 6204), (3234, 6110), (3290, 6006), (3619, 5460), (3666, 5390), (3822, 5170), (3948, 5005), (4004, 4935), (4277, 4620), (4290, 4606)]