18404804

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{2311}}^1$

素因数の和:2507

約数の個数: 24

約数和(自身を含む): 35345856

約数和(自身を除く): 16941052

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 2311, 3982, 4622, 7964, 9244, 25421, 50842, 101684, 418291, 836582, 1673164, 4601201, 9202402, 18404804]

約数ペア:

[(1, 18404804), (2, 9202402), (4, 4601201), (11, 1673164), (22, 836582), (44, 418291), (181, 101684), (362, 50842), (724, 25421), (1991, 9244), (2311, 7964), (3982, 4622)]