18138010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{911}}^1$

素因数の和:1110

約数の個数: 32

約数和(自身を含む): 35852544

約数和(自身を除く): 17714534

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 181, 362, 905, 911, 1810, 1822, 1991, 3982, 4555, 9110, 9955, 10021, 19910, 20042, 50105, 100210, 164891, 329782, 824455, 1648910, 1813801, 3627602, 9069005, 18138010]

約数ペア:

[(1, 18138010), (2, 9069005), (5, 3627602), (10, 1813801), (11, 1648910), (22, 824455), (55, 329782), (110, 164891), (181, 100210), (362, 50105), (905, 20042), (911, 19910), (1810, 10021), (1822, 9955), (1991, 9110), (3982, 4555)]