18367280

素因数分解:

$2^4\times 5^1\times {\mathrm{229591}}^1$

素因数の和:229604

約数の個数: 20

約数和(自身を含む): 42704112

約数和(自身を除く): 24336832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229591, 459182, 918364, 1147955, 1836728, 2295910, 3673456, 4591820, 9183640, 18367280]

約数ペア:

[(1, 18367280), (2, 9183640), (4, 4591820), (5, 3673456), (8, 2295910), (10, 1836728), (16, 1147955), (20, 918364), (40, 459182), (80, 229591)]