19293620

素因数分解:

$2^2\times 5^1\times {\mathrm{113}}^1\times {\mathrm{8537}}^1$

素因数の和:8659

約数の個数: 24

約数和(自身を含む): 40879944

約数和(自身を除く): 21586324

約数列:

[1, 2, 4, 5, 10, 20, 113, 226, 452, 565, 1130, 2260, 8537, 17074, 34148, 42685, 85370, 170740, 964681, 1929362, 3858724, 4823405, 9646810, 19293620]

約数ペア:

[(1, 19293620), (2, 9646810), (4, 4823405), (5, 3858724), (10, 1929362), (20, 964681), (113, 170740), (226, 85370), (452, 42685), (565, 34148), (1130, 17074), (2260, 8537)]