19475820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:105

約数の個数: 288

約数和(自身を含む): 77051520

約数和(自身を除く): 57575700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 29, 30, 35, 36, 39, 41, 42, 45, 52, 58, 60, 63, 65, 70, 78, 82, 84, 87, 90, 91, 105, 116, 117, 123, 126, 130, 140, 145, 156, 164, 174, 180, 182, 195, 203, 205, 210, 234, 246, 252, 260, 261, 273, 287, 290, 315, 348, 364, 369, 377, 390, 406, 410, 420, 435, 455, 468, 492, 522, 533, 546, 574, 580, 585, 609, 615, 630, 738, 754, 780, 812, 819, 820, 861, 870, 910, 1015, 1044, 1066, 1092, 1131, 1148, 1170, 1189, 1218, 1230, 1260, 1305, 1365, 1435, 1476, 1508, 1599, 1638, 1722, 1740, 1820, 1827, 1845, 1885, 2030, 2132, 2262, 2340, 2378, 2436, 2460, 2583, 2610, 2639, 2665, 2730, 2870, 3045, 3198, 3276, 3393, 3444, 3567, 3654, 3690, 3731, 3770, 4060, 4095, 4305, 4524, 4756, 4797, 5166, 5220, 5278, 5330, 5460, 5655, 5740, 5945, 6090, 6396, 6786, 7134, 7308, 7380, 7462, 7540, 7917, 7995, 8190, 8323, 8610, 9135, 9594, 10332, 10556, 10660, 10701, 11193, 11310, 11890, 12180, 12915, 13195, 13572, 14268, 14924, 15457, 15834, 15990, 16380, 16646, 16965, 17220, 17835, 18270, 18655, 19188, 21402, 22386, 22620, 23751, 23780, 23985, 24969, 25830, 26390, 30914, 31668, 31980, 33292, 33579, 33930, 35670, 36540, 37310, 39585, 41615, 42804, 44772, 46371, 47502, 47970, 49938, 51660, 52780, 53505, 55965, 61828, 67158, 67860, 71340, 74620, 74907, 77285, 79170, 83230, 92742, 95004, 95940, 99876, 107010, 108199, 111930, 118755, 124845, 134316, 139113, 149814, 154570, 158340, 166460, 167895, 185484, 214020, 216398, 223860, 231855, 237510, 249690, 278226, 299628, 309140, 324597, 335790, 374535, 432796, 463710, 475020, 499380, 540995, 556452, 649194, 671580, 695565, 749070, 927420, 973791, 1081990, 1298388, 1391130, 1498140, 1622985, 1947582, 2163980, 2782260, 3245970, 3895164, 4868955, 6491940, 9737910, 19475820]

約数ペア:

[(1, 19475820), (2, 9737910), (3, 6491940), (4, 4868955), (5, 3895164), (6, 3245970), (7, 2782260), (9, 2163980), (10, 1947582), (12, 1622985), (13, 1498140), (14, 1391130), (15, 1298388), (18, 1081990), (20, 973791), (21, 927420), (26, 749070), (28, 695565), (29, 671580), (30, 649194), (35, 556452), (36, 540995), (39, 499380), (41, 475020), (42, 463710), (45, 432796), (52, 374535), (58, 335790), (60, 324597), (63, 309140), (65, 299628), (70, 278226), (78, 249690), (82, 237510), (84, 231855), (87, 223860), (90, 216398), (91, 214020), (105, 185484), (116, 167895), (117, 166460), (123, 158340), (126, 154570), (130, 149814), (140, 139113), (145, 134316), (156, 124845), (164, 118755), (174, 111930), (180, 108199), (182, 107010), (195, 99876), (203, 95940), (205, 95004), (210, 92742), (234, 83230), (246, 79170), (252, 77285), (260, 74907), (261, 74620), (273, 71340), (287, 67860), (290, 67158), (315, 61828), (348, 55965), (364, 53505), (369, 52780), (377, 51660), (390, 49938), (406, 47970), (410, 47502), (420, 46371), (435, 44772), (455, 42804), (468, 41615), (492, 39585), (522, 37310), (533, 36540), (546, 35670), (574, 33930), (580, 33579), (585, 33292), (609, 31980), (615, 31668), (630, 30914), (738, 26390), (754, 25830), (780, 24969), (812, 23985), (819, 23780), (820, 23751), (861, 22620), (870, 22386), (910, 21402), (1015, 19188), (1044, 18655), (1066, 18270), (1092, 17835), (1131, 17220), (1148, 16965), (1170, 16646), (1189, 16380), (1218, 15990), (1230, 15834), (1260, 15457), (1305, 14924), (1365, 14268), (1435, 13572), (1476, 13195), (1508, 12915), (1599, 12180), (1638, 11890), (1722, 11310), (1740, 11193), (1820, 10701), (1827, 10660), (1845, 10556), (1885, 10332), (2030, 9594), (2132, 9135), (2262, 8610), (2340, 8323), (2378, 8190), (2436, 7995), (2460, 7917), (2583, 7540), (2610, 7462), (2639, 7380), (2665, 7308), (2730, 7134), (2870, 6786), (3045, 6396), (3198, 6090), (3276, 5945), (3393, 5740), (3444, 5655), (3567, 5460), (3654, 5330), (3690, 5278), (3731, 5220), (3770, 5166), (4060, 4797), (4095, 4756), (4305, 4524)]