18261808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{67139}}^1$

素因数の和:67164

約数の個数: 20

約数和(自身を含む): 37464120

約数和(自身を除く): 19202312

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 67139, 134278, 268556, 537112, 1074224, 1141363, 2282726, 4565452, 9130904, 18261808]

約数ペア:

[(1, 18261808), (2, 9130904), (4, 4565452), (8, 2282726), (16, 1141363), (17, 1074224), (34, 537112), (68, 268556), (136, 134278), (272, 67139)]