19945913

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{5309}}^1$

素因数の和:5356

約数の個数: 12

約数和(自身を含む): 22822380

約数和(自身を除く): 2876467

約数列:

[1, 13, 17, 221, 289, 3757, 5309, 69017, 90253, 1173289, 1534301, 19945913]

約数ペア:

[(1, 19945913), (13, 1534301), (17, 1173289), (221, 90253), (289, 69017), (3757, 5309)]