18934828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{2741}}^1$

素因数の和:2913

約数の個数: 24

約数和(自身を含む): 36391824

約数和(自身を除く): 17456996

約数列:

[1, 2, 4, 11, 22, 44, 157, 314, 628, 1727, 2741, 3454, 5482, 6908, 10964, 30151, 60302, 120604, 430337, 860674, 1721348, 4733707, 9467414, 18934828]

約数ペア:

[(1, 18934828), (2, 9467414), (4, 4733707), (11, 1721348), (22, 860674), (44, 430337), (157, 120604), (314, 60302), (628, 30151), (1727, 10964), (2741, 6908), (3454, 5482)]