19905154

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{241}}^1\times {\mathrm{677}}^1$

素因数の和:981

約数の個数: 16

約数和(自身を含む): 30518136

約数和(自身を除く): 10612982

約数列:

[1, 2, 61, 122, 241, 482, 677, 1354, 14701, 29402, 41297, 82594, 163157, 326314, 9952577, 19905154]

約数ペア:

[(1, 19905154), (2, 9952577), (61, 326314), (122, 163157), (241, 82594), (482, 41297), (677, 29402), (1354, 14701)]