18880398

素因数分解:

$2^1\times 3^3\times {\mathrm{349637}}^1$

素因数の和:349648

約数の個数: 16

約数和(自身を含む): 41956560

約数和(自身を除く): 23076162

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 349637, 699274, 1048911, 2097822, 3146733, 6293466, 9440199, 18880398]

約数ペア:

[(1, 18880398), (2, 9440199), (3, 6293466), (6, 3146733), (9, 2097822), (18, 1048911), (27, 699274), (54, 349637)]