19837860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:485

約数の個数: 96

約数和(自身を含む): 64108800

約数和(自身を除く): 44270940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 149, 210, 298, 317, 420, 447, 596, 634, 745, 894, 951, 1043, 1268, 1490, 1585, 1788, 1902, 2086, 2219, 2235, 2980, 3129, 3170, 3804, 4172, 4438, 4470, 4755, 5215, 6258, 6340, 6657, 8876, 8940, 9510, 10430, 11095, 12516, 13314, 15645, 19020, 20860, 22190, 26628, 31290, 33285, 44380, 47233, 62580, 66570, 94466, 133140, 141699, 188932, 236165, 283398, 330631, 472330, 566796, 661262, 708495, 944660, 991893, 1322524, 1416990, 1653155, 1983786, 2833980, 3306310, 3967572, 4959465, 6612620, 9918930, 19837860]

約数ペア:

[(1, 19837860), (2, 9918930), (3, 6612620), (4, 4959465), (5, 3967572), (6, 3306310), (7, 2833980), (10, 1983786), (12, 1653155), (14, 1416990), (15, 1322524), (20, 991893), (21, 944660), (28, 708495), (30, 661262), (35, 566796), (42, 472330), (60, 330631), (70, 283398), (84, 236165), (105, 188932), (140, 141699), (149, 133140), (210, 94466), (298, 66570), (317, 62580), (420, 47233), (447, 44380), (596, 33285), (634, 31290), (745, 26628), (894, 22190), (951, 20860), (1043, 19020), (1268, 15645), (1490, 13314), (1585, 12516), (1788, 11095), (1902, 10430), (2086, 9510), (2219, 8940), (2235, 8876), (2980, 6657), (3129, 6340), (3170, 6258), (3804, 5215), (4172, 4755), (4438, 4470)]