19857830

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46181}}^1$

素因数の和:46231

約数の個数: 16

約数和(自身を含む): 36576144

約数和(自身を除く): 16718314

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 46181, 92362, 230905, 461810, 1985783, 3971566, 9928915, 19857830]

約数ペア:

[(1, 19857830), (2, 9928915), (5, 3971566), (10, 1985783), (43, 461810), (86, 230905), (215, 92362), (430, 46181)]