19397978

素因数分解:

$2^1\times {\mathrm{157}}^1\times {\mathrm{163}}^1\times {\mathrm{379}}^1$

素因数の和:701

約数の個数: 16

約数和(自身を含む): 29539680

約数和(自身を除く): 10141702

約数列:

[1, 2, 157, 163, 314, 326, 379, 758, 25591, 51182, 59503, 61777, 119006, 123554, 9698989, 19397978]

約数ペア:

[(1, 19397978), (2, 9698989), (157, 123554), (163, 119006), (314, 61777), (326, 59503), (379, 51182), (758, 25591)]