19898619

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{30013}}^1$

素因数の和:30046

約数の個数: 16

約数和(自身を含む): 30254112

約数和(自身を除く): 10355493

約数列:

[1, 3, 13, 17, 39, 51, 221, 663, 30013, 90039, 390169, 510221, 1170507, 1530663, 6632873, 19898619]

約数ペア:

[(1, 19898619), (3, 6632873), (13, 1530663), (17, 1170507), (39, 510221), (51, 390169), (221, 90039), (663, 30013)]