9891020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{26029}}^1$

素因数の和:26057

約数の個数: 24

約数和(自身を含む): 21865200

約数和(自身を除く): 11974180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 26029, 52058, 104116, 130145, 260290, 494551, 520580, 989102, 1978204, 2472755, 4945510, 9891020]

約数ペア:

[(1, 9891020), (2, 4945510), (4, 2472755), (5, 1978204), (10, 989102), (19, 520580), (20, 494551), (38, 260290), (76, 130145), (95, 104116), (190, 52058), (380, 26029)]