23480390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{123581}}^1$

素因数の和:123607

約数の個数: 16

約数和(自身を含む): 44489520

約数和(自身を除く): 21009130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 123581, 247162, 617905, 1235810, 2348039, 4696078, 11740195, 23480390]

約数ペア:

[(1, 23480390), (2, 11740195), (5, 4696078), (10, 2348039), (19, 1235810), (38, 617905), (95, 247162), (190, 123581)]