18117490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44189}}^1$

素因数の和:44237

約数の個数: 16

約数和(自身を含む): 33407640

約数和(自身を除く): 15290150

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 44189, 88378, 220945, 441890, 1811749, 3623498, 9058745, 18117490]

約数ペア:

[(1, 18117490), (2, 9058745), (5, 3623498), (10, 1811749), (41, 441890), (82, 220945), (205, 88378), (410, 44189)]