19020545

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{409}}^1$

素因数の和:616

約数の個数: 16

約数和(自身を含む): 23379840

約数和(自身を除く): 4359295

約数列:

[1, 5, 71, 131, 355, 409, 655, 2045, 9301, 29039, 46505, 53579, 145195, 267895, 3804109, 19020545]

約数ペア:

[(1, 19020545), (5, 3804109), (71, 267895), (131, 145195), (355, 53579), (409, 46505), (655, 29039), (2045, 9301)]