18379660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{317}}^1$

素因数の和:562

約数の個数: 48

約数和(自身を含む): 41884416

約数和(自身を除く): 23504756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 223, 260, 317, 446, 634, 892, 1115, 1268, 1585, 2230, 2899, 3170, 4121, 4460, 5798, 6340, 8242, 11596, 14495, 16484, 20605, 28990, 41210, 57980, 70691, 82420, 141382, 282764, 353455, 706910, 918983, 1413820, 1837966, 3675932, 4594915, 9189830, 18379660]

約数ペア:

[(1, 18379660), (2, 9189830), (4, 4594915), (5, 3675932), (10, 1837966), (13, 1413820), (20, 918983), (26, 706910), (52, 353455), (65, 282764), (130, 141382), (223, 82420), (260, 70691), (317, 57980), (446, 41210), (634, 28990), (892, 20605), (1115, 16484), (1268, 14495), (1585, 11596), (2230, 8242), (2899, 6340), (3170, 5798), (4121, 4460)]