18154720

素因数分解:

$2^5\times 5^1\times {\mathrm{113467}}^1$

素因数の和:113482

約数の個数: 24

約数和(自身を含む): 42890904

約数和(自身を除く): 24736184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 113467, 226934, 453868, 567335, 907736, 1134670, 1815472, 2269340, 3630944, 4538680, 9077360, 18154720]

約数ペア:

[(1, 18154720), (2, 9077360), (4, 4538680), (5, 3630944), (8, 2269340), (10, 1815472), (16, 1134670), (20, 907736), (32, 567335), (40, 453868), (80, 226934), (160, 113467)]