18346438

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43891}}^1$

素因数の和:43923

約数の個数: 16

約数和(自身を含む): 31602240

約数和(自身を除く): 13255802

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 43891, 87782, 482801, 833929, 965602, 1667858, 9173219, 18346438]

約数ペア:

[(1, 18346438), (2, 9173219), (11, 1667858), (19, 965602), (22, 833929), (38, 482801), (209, 87782), (418, 43891)]