18345602

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43889}}^1$

素因数の和:43921

約数の個数: 16

約数和(自身を含む): 31600800

約数和(自身を除く): 13255198

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 43889, 87778, 482779, 833891, 965558, 1667782, 9172801, 18345602]

約数ペア:

[(1, 18345602), (2, 9172801), (11, 1667782), (19, 965558), (22, 833891), (38, 482779), (209, 87778), (418, 43889)]