18389080

素因数分解:

$2^3\times 5^1\times {\mathrm{379}}^1\times {\mathrm{1213}}^1$

素因数の和:1603

約数の個数: 32

約数和(自身を含む): 41518800

約数和(自身を除く): 23129720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 379, 758, 1213, 1516, 1895, 2426, 3032, 3790, 4852, 6065, 7580, 9704, 12130, 15160, 24260, 48520, 459727, 919454, 1838908, 2298635, 3677816, 4597270, 9194540, 18389080]

約数ペア:

[(1, 18389080), (2, 9194540), (4, 4597270), (5, 3677816), (8, 2298635), (10, 1838908), (20, 919454), (40, 459727), (379, 48520), (758, 24260), (1213, 15160), (1516, 12130), (1895, 9704), (2426, 7580), (3032, 6065), (3790, 4852)]