18802564

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{4231}}^1$

素因数の和:4347

約数の個数: 24

約数和(自身を含む): 36259776

約数和(自身を除く): 17457212

約数列:

[1, 2, 4, 11, 22, 44, 101, 202, 404, 1111, 2222, 4231, 4444, 8462, 16924, 46541, 93082, 186164, 427331, 854662, 1709324, 4700641, 9401282, 18802564]

約数ペア:

[(1, 18802564), (2, 9401282), (4, 4700641), (11, 1709324), (22, 854662), (44, 427331), (101, 186164), (202, 93082), (404, 46541), (1111, 16924), (2222, 8462), (4231, 4444)]