18227601488

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{6989111}}^1$

素因数の和:6989282

約数の個数: 20

約数和(自身を含む): 35532645408

約数和(自身を除く): 17305043920

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 6989111, 13978222, 27956444, 55912888, 111825776, 1139225093, 2278450186, 4556900372, 9113800744, 18227601488]

約数ペア:

[(1, 18227601488), (2, 9113800744), (4, 4556900372), (8, 2278450186), (16, 1139225093), (163, 111825776), (326, 55912888), (652, 27956444), (1304, 13978222), (2608, 6989111)]