16880398

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3391}}^1$

素因数の和:3543

約数の個数: 16

約数和(自身を含む): 26864640

約数和(自身を除く): 9984242

約数列:

[1, 2, 19, 38, 131, 262, 2489, 3391, 4978, 6782, 64429, 128858, 444221, 888442, 8440199, 16880398]

約数ペア:

[(1, 16880398), (2, 8440199), (19, 888442), (38, 444221), (131, 128858), (262, 64429), (2489, 6782), (3391, 4978)]