18232040

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{6803}}^1$

素因数の和:6881

約数の個数: 32

約数和(自身を含む): 41640480

約数和(自身を除く): 23408440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 2680, 6803, 13606, 27212, 34015, 54424, 68030, 136060, 272120, 455801, 911602, 1823204, 2279005, 3646408, 4558010, 9116020, 18232040]

約数ペア:

[(1, 18232040), (2, 9116020), (4, 4558010), (5, 3646408), (8, 2279005), (10, 1823204), (20, 911602), (40, 455801), (67, 272120), (134, 136060), (268, 68030), (335, 54424), (536, 34015), (670, 27212), (1340, 13606), (2680, 6803)]