18813908

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{5527}}^1$

素因数の和:5591

約数の個数: 24

約数和(自身を含む): 35290752

約数和(自身を除く): 16476844

約数列:

[1, 2, 4, 23, 37, 46, 74, 92, 148, 851, 1702, 3404, 5527, 11054, 22108, 127121, 204499, 254242, 408998, 508484, 817996, 4703477, 9406954, 18813908]

約数ペア:

[(1, 18813908), (2, 9406954), (4, 4703477), (23, 817996), (37, 508484), (46, 408998), (74, 254242), (92, 204499), (148, 127121), (851, 22108), (1702, 11054), (3404, 5527)]