19545416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{222107}}^1$

素因数の和:222124

約数の個数: 16

約数和(自身を含む): 39979440

約数和(自身を除く): 20434024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 222107, 444214, 888428, 1776856, 2443177, 4886354, 9772708, 19545416]

約数ペア:

[(1, 19545416), (2, 9772708), (4, 4886354), (8, 2443177), (11, 1776856), (22, 888428), (44, 444214), (88, 222107)]