18157730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{421}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 34637760

約数和(自身を除く): 16480030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 227, 421, 454, 842, 1135, 2105, 2270, 4210, 4313, 7999, 8626, 15998, 21565, 39995, 43130, 79990, 95567, 191134, 477835, 955670, 1815773, 3631546, 9078865, 18157730]

約数ペア:

[(1, 18157730), (2, 9078865), (5, 3631546), (10, 1815773), (19, 955670), (38, 477835), (95, 191134), (190, 95567), (227, 79990), (421, 43130), (454, 39995), (842, 21565), (1135, 15998), (2105, 8626), (2270, 7999), (4210, 4313)]