19712537

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{191}}^1\times {\mathrm{467}}^1$

素因数の和:688

約数の個数: 16

約数和(自身を含む): 22643712

約数和(自身を除く): 2931175

約数列:

[1, 13, 17, 191, 221, 467, 2483, 3247, 6071, 7939, 42211, 89197, 103207, 1159561, 1516349, 19712537]

約数ペア:

[(1, 19712537), (13, 1516349), (17, 1159561), (191, 103207), (221, 89197), (467, 42211), (2483, 7939), (3247, 6071)]