18770704

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{27283}}^1$

素因数の和:27334

約数の個数: 20

約数和(自身を含む): 37215376

約数和(自身を除く): 18444672

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 27283, 54566, 109132, 218264, 436528, 1173169, 2346338, 4692676, 9385352, 18770704]

約数ペア:

[(1, 18770704), (2, 9385352), (4, 4692676), (8, 2346338), (16, 1173169), (43, 436528), (86, 218264), (172, 109132), (344, 54566), (688, 27283)]