19206999721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12415643}}^1$

素因数の和:12415680

約数の個数: 16

約数和(自身を含む): 25029938304

約数和(自身を除く): 5822938583

約数列:

[1, 7, 13, 17, 91, 119, 221, 1547, 12415643, 86909501, 161403359, 211065931, 1129823513, 1477461517, 2743857103, 19206999721]

約数ペア:

[(1, 19206999721), (7, 2743857103), (13, 1477461517), (17, 1129823513), (91, 211065931), (119, 161403359), (221, 86909501), (1547, 12415643)]