18733771

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1\times {\mathrm{601}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 22095808

約数和(自身を除く): 3362037

約数列:

[1, 7, 61, 73, 427, 511, 601, 4207, 4453, 31171, 36661, 43873, 256627, 307111, 2676253, 18733771]

約数ペア:

[(1, 18733771), (7, 2676253), (61, 307111), (73, 256627), (427, 43873), (511, 36661), (601, 31171), (4207, 4453)]