18516160

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4451}}^1$

素因数の和:4481

約数の個数: 56

約数和(自身を含む): 47493936

約数和(自身を除く): 28977776

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 4451, 8902, 17804, 22255, 35608, 44510, 57863, 71216, 89020, 115726, 142432, 178040, 231452, 284864, 289315, 356080, 462904, 578630, 712160, 925808, 1157260, 1424320, 1851616, 2314520, 3703232, 4629040, 9258080, 18516160]

約数ペア:

[(1, 18516160), (2, 9258080), (4, 4629040), (5, 3703232), (8, 2314520), (10, 1851616), (13, 1424320), (16, 1157260), (20, 925808), (26, 712160), (32, 578630), (40, 462904), (52, 356080), (64, 289315), (65, 284864), (80, 231452), (104, 178040), (130, 142432), (160, 115726), (208, 89020), (260, 71216), (320, 57863), (416, 44510), (520, 35608), (832, 22255), (1040, 17804), (2080, 8902), (4160, 4451)]