19770218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{44729}}^1$

素因数の和:44761

約数の個数: 16

約数和(自身を含む): 33815880

約数和(自身を除く): 14045662

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 44729, 89458, 581477, 760393, 1162954, 1520786, 9885109, 19770218]

約数ペア:

[(1, 19770218), (2, 9885109), (13, 1520786), (17, 1162954), (26, 760393), (34, 581477), (221, 89458), (442, 44729)]