19943830

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{46381}}^1$

素因数の和:46431

約数の個数: 16

約数和(自身を含む): 36734544

約数和(自身を除く): 16790714

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 46381, 92762, 231905, 463810, 1994383, 3988766, 9971915, 19943830]

約数ペア:

[(1, 19943830), (2, 9971915), (5, 3988766), (10, 1994383), (43, 463810), (86, 231905), (215, 92762), (430, 46381)]