19491017

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11273}}^1$

素因数の和:11312

約数の個数: 16

約数和(自身を含む): 25253760

約数和(自身を除く): 5762743

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 11273, 78911, 146549, 214187, 1025843, 1499309, 2784431, 19491017]

約数ペア:

[(1, 19491017), (7, 2784431), (13, 1499309), (19, 1025843), (91, 214187), (133, 146549), (247, 78911), (1729, 11273)]