19894204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{1303}}^1$

素因数の和:1665

約数の個数: 24

約数和(自身を含む): 38118528

約数和(自身を除く): 18224324

約数列:

[1, 2, 4, 11, 22, 44, 347, 694, 1303, 1388, 2606, 3817, 5212, 7634, 14333, 15268, 28666, 57332, 452141, 904282, 1808564, 4973551, 9947102, 19894204]

約数ペア:

[(1, 19894204), (2, 9947102), (4, 4973551), (11, 1808564), (22, 904282), (44, 452141), (347, 57332), (694, 28666), (1303, 15268), (1388, 14333), (2606, 7634), (3817, 5212)]