18691312

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{40283}}^1$

素因数の和:40320

約数の個数: 20

約数和(自身を含む): 37464120

約数和(自身を除く): 18772808

約数列:

[1, 2, 4, 8, 16, 29, 58, 116, 232, 464, 40283, 80566, 161132, 322264, 644528, 1168207, 2336414, 4672828, 9345656, 18691312]

約数ペア:

[(1, 18691312), (2, 9345656), (4, 4672828), (8, 2336414), (16, 1168207), (29, 644528), (58, 322264), (116, 161132), (232, 80566), (464, 40283)]