17988212

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{21517}}^1$

素因数の和:21551

約数の個数: 24

約数和(自身を含む): 36150240

約数和(自身を除く): 18162028

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 21517, 43034, 86068, 236687, 408823, 473374, 817646, 946748, 1635292, 4497053, 8994106, 17988212]

約数ペア:

[(1, 17988212), (2, 8994106), (4, 4497053), (11, 1635292), (19, 946748), (22, 817646), (38, 473374), (44, 408823), (76, 236687), (209, 86068), (418, 43034), (836, 21517)]