19965673

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{1453}}^1$

素因数の和:1624

約数の個数: 16

約数和(自身を含む): 24752896

約数和(自身を除く): 4787223

約数列:

[1, 7, 13, 91, 151, 1057, 1453, 1963, 10171, 13741, 18889, 132223, 219403, 1535821, 2852239, 19965673]

約数ペア:

[(1, 19965673), (7, 2852239), (13, 1535821), (91, 219403), (151, 132223), (1057, 18889), (1453, 13741), (1963, 10171)]