13209845

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{12641}}^1$

素因数の和:12676

約数の個数: 16

約数和(自身を含む): 18204480

約数和(自身を除く): 4994635

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 12641, 63205, 139051, 240179, 695255, 1200895, 2641969, 13209845]

約数ペア:

[(1, 13209845), (5, 2641969), (11, 1200895), (19, 695255), (55, 240179), (95, 139051), (209, 63205), (1045, 12641)]