19618832

素因数分解:

$2^4\times {\mathrm{97}}^1\times {\mathrm{12641}}^1$

素因数の和:12746

約数の個数: 20

約数和(自身を含む): 38406396

約数和(自身を除く): 18787564

約数列:

[1, 2, 4, 8, 16, 97, 194, 388, 776, 1552, 12641, 25282, 50564, 101128, 202256, 1226177, 2452354, 4904708, 9809416, 19618832]

約数ペア:

[(1, 19618832), (2, 9809416), (4, 4904708), (8, 2452354), (16, 1226177), (97, 202256), (194, 101128), (388, 50564), (776, 25282), (1552, 12641)]