18387116

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{821}}^1$

素因数の和:1345

約数の個数: 24

約数和(自身を含む): 35214480

約数和(自身を除く): 16827364

約数列:

[1, 2, 4, 11, 22, 44, 509, 821, 1018, 1642, 2036, 3284, 5599, 9031, 11198, 18062, 22396, 36124, 417889, 835778, 1671556, 4596779, 9193558, 18387116]

約数ペア:

[(1, 18387116), (2, 9193558), (4, 4596779), (11, 1671556), (22, 835778), (44, 417889), (509, 36124), (821, 22396), (1018, 18062), (1642, 11198), (2036, 9031), (3284, 5599)]