17939618

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1373}}^1$

素因数の和:1561

約数の個数: 16

約数和(自身を含む): 27699840

約数和(自身を除く): 9760222

約数列:

[1, 2, 47, 94, 139, 278, 1373, 2746, 6533, 13066, 64531, 129062, 190847, 381694, 8969809, 17939618]

約数ペア:

[(1, 17939618), (2, 8969809), (47, 381694), (94, 190847), (139, 129062), (278, 64531), (1373, 13066), (2746, 6533)]