18106720

素因数分解:

$2^5\times 5^1\times {\mathrm{113167}}^1$

素因数の和:113182

約数の個数: 24

約数和(自身を含む): 42777504

約数和(自身を除く): 24670784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 113167, 226334, 452668, 565835, 905336, 1131670, 1810672, 2263340, 3621344, 4526680, 9053360, 18106720]

約数ペア:

[(1, 18106720), (2, 9053360), (4, 4526680), (5, 3621344), (8, 2263340), (10, 1810672), (16, 1131670), (20, 905336), (32, 565835), (40, 452668), (80, 226334), (160, 113167)]