18134960

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{571}}^1$

素因数の和:981

約数の個数: 40

約数和(自身を含む): 42344016

約数和(自身を除く): 24209056

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 571, 794, 1142, 1588, 1985, 2284, 2855, 3176, 3970, 4568, 5710, 6352, 7940, 9136, 11420, 15880, 22840, 31760, 45680, 226687, 453374, 906748, 1133435, 1813496, 2266870, 3626992, 4533740, 9067480, 18134960]

約数ペア:

[(1, 18134960), (2, 9067480), (4, 4533740), (5, 3626992), (8, 2266870), (10, 1813496), (16, 1133435), (20, 906748), (40, 453374), (80, 226687), (397, 45680), (571, 31760), (794, 22840), (1142, 15880), (1588, 11420), (1985, 9136), (2284, 7940), (2855, 6352), (3176, 5710), (3970, 4568)]