18948908

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{3391}}^1$

素因数の和:3533

約数の個数: 24

約数和(自身を含む): 36470784

約数和(自身を除く): 17521876

約数列:

[1, 2, 4, 11, 22, 44, 127, 254, 508, 1397, 2794, 3391, 5588, 6782, 13564, 37301, 74602, 149204, 430657, 861314, 1722628, 4737227, 9474454, 18948908]

約数ペア:

[(1, 18948908), (2, 9474454), (4, 4737227), (11, 1722628), (22, 861314), (44, 430657), (127, 149204), (254, 74602), (508, 37301), (1397, 13564), (2794, 6782), (3391, 5588)]