19569020

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{13781}}^1$

素因数の和:13861

約数の個数: 24

約数和(自身を含む): 41676768

約数和(自身を除く): 22107748

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 13781, 27562, 55124, 68905, 137810, 275620, 978451, 1956902, 3913804, 4892255, 9784510, 19569020]

約数ペア:

[(1, 19569020), (2, 9784510), (4, 4892255), (5, 3913804), (10, 1956902), (20, 978451), (71, 275620), (142, 137810), (284, 68905), (355, 55124), (710, 27562), (1420, 13781)]