17939277640

素因数分解:

$2^3\times 5^1\times {\mathrm{448481941}}^1$

素因数の和:448481952

約数の個数: 16

約数和(自身を含む): 40363374780

約数和(自身を除く): 22424097140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 448481941, 896963882, 1793927764, 2242409705, 3587855528, 4484819410, 8969638820, 17939277640]

約数ペア:

[(1, 17939277640), (2, 8969638820), (4, 4484819410), (5, 3587855528), (8, 2242409705), (10, 1793927764), (20, 896963882), (40, 448481941)]