19877160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2333}}^1$

素因数の和:2418

約数の個数: 64

約数和(自身を含む): 60497280

約数和(自身を除く): 40620120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 71, 120, 142, 213, 284, 355, 426, 568, 710, 852, 1065, 1420, 1704, 2130, 2333, 2840, 4260, 4666, 6999, 8520, 9332, 11665, 13998, 18664, 23330, 27996, 34995, 46660, 55992, 69990, 93320, 139980, 165643, 279960, 331286, 496929, 662572, 828215, 993858, 1325144, 1656430, 1987716, 2484645, 3312860, 3975432, 4969290, 6625720, 9938580, 19877160]

約数ペア:

[(1, 19877160), (2, 9938580), (3, 6625720), (4, 4969290), (5, 3975432), (6, 3312860), (8, 2484645), (10, 1987716), (12, 1656430), (15, 1325144), (20, 993858), (24, 828215), (30, 662572), (40, 496929), (60, 331286), (71, 279960), (120, 165643), (142, 139980), (213, 93320), (284, 69990), (355, 55992), (426, 46660), (568, 34995), (710, 27996), (852, 23330), (1065, 18664), (1420, 13998), (1704, 11665), (2130, 9332), (2333, 8520), (2840, 6999), (4260, 4666)]