19540268

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4397}}^1$

素因数の和:4513

約数の個数: 24

約数和(自身を含む): 37682064

約数和(自身を除く): 18141796

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4397, 4444, 8794, 17588, 48367, 96734, 193468, 444097, 888194, 1776388, 4885067, 9770134, 19540268]

約数ペア:

[(1, 19540268), (2, 9770134), (4, 4885067), (11, 1776388), (22, 888194), (44, 444097), (101, 193468), (202, 96734), (404, 48367), (1111, 17588), (2222, 8794), (4397, 4444)]