18860379

素因数分解:

$3^1\times {\mathrm{109}}^1\times {\mathrm{137}}^1\times {\mathrm{421}}^1$

素因数の和:670

約数の個数: 16

約数和(自身を含む): 25623840

約数和(自身を除く): 6763461

約数列:

[1, 3, 109, 137, 327, 411, 421, 1263, 14933, 44799, 45889, 57677, 137667, 173031, 6286793, 18860379]

約数ペア:

[(1, 18860379), (3, 6286793), (109, 173031), (137, 137667), (327, 57677), (411, 45889), (421, 44799), (1263, 14933)]