18772817

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{191}}^1\times {\mathrm{739}}^1$

素因数の和:956

約数の個数: 16

約数和(自身を含む): 22732800

約数和(自身を除く): 3959983

約数列:

[1, 7, 19, 133, 191, 739, 1337, 3629, 5173, 14041, 25403, 98287, 141149, 988043, 2681831, 18772817]

約数ペア:

[(1, 18772817), (7, 2681831), (19, 988043), (133, 141149), (191, 98287), (739, 25403), (1337, 14041), (3629, 5173)]