18677570

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{499}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 35640000

約数和(自身を除く): 16962430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 197, 394, 499, 985, 998, 1970, 2495, 3743, 4990, 7486, 9481, 18715, 18962, 37430, 47405, 94810, 98303, 196606, 491515, 983030, 1867757, 3735514, 9338785, 18677570]

約数ペア:

[(1, 18677570), (2, 9338785), (5, 3735514), (10, 1867757), (19, 983030), (38, 491515), (95, 196606), (190, 98303), (197, 94810), (394, 47405), (499, 37430), (985, 18962), (998, 18715), (1970, 9481), (2495, 7486), (3743, 4990)]