18444080

素因数分解:

$2^4\times 5^1\times {\mathrm{230551}}^1$

素因数の和:230564

約数の個数: 20

約数和(自身を含む): 42882672

約数和(自身を除く): 24438592

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230551, 461102, 922204, 1152755, 1844408, 2305510, 3688816, 4611020, 9222040, 18444080]

約数ペア:

[(1, 18444080), (2, 9222040), (4, 4611020), (5, 3688816), (8, 2305510), (10, 1844408), (16, 1152755), (20, 922204), (40, 461102), (80, 230551)]