18045970

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{431}}^1$

素因数の和:570

約数の個数: 32

約数和(自身を含む): 33592320

約数和(自身を除く): 15546350

約数列:

[1, 2, 5, 10, 53, 79, 106, 158, 265, 395, 431, 530, 790, 862, 2155, 4187, 4310, 8374, 20935, 22843, 34049, 41870, 45686, 68098, 114215, 170245, 228430, 340490, 1804597, 3609194, 9022985, 18045970]

約数ペア:

[(1, 18045970), (2, 9022985), (5, 3609194), (10, 1804597), (53, 340490), (79, 228430), (106, 170245), (158, 114215), (265, 68098), (395, 45686), (431, 41870), (530, 34049), (790, 22843), (862, 20935), (2155, 8374), (4187, 4310)]