19666705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3793}}^1$

素因数の和:3876

約数の個数: 16

約数和(自身を含む): 25404624

約数和(自身を除く): 5737919

約数列:

[1, 5, 17, 61, 85, 305, 1037, 3793, 5185, 18965, 64481, 231373, 322405, 1156865, 3933341, 19666705]

約数ペア:

[(1, 19666705), (5, 3933341), (17, 1156865), (61, 322405), (85, 231373), (305, 64481), (1037, 18965), (3793, 5185)]