18877210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15601}}^1$

素因数の和:15630

約数の個数: 24

約数和(自身を含む): 37351188

約数和(自身を除く): 18473978

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 15601, 31202, 78005, 156010, 171611, 343222, 858055, 1716110, 1887721, 3775442, 9438605, 18877210]

約数ペア:

[(1, 18877210), (2, 9438605), (5, 3775442), (10, 1887721), (11, 1716110), (22, 858055), (55, 343222), (110, 171611), (121, 156010), (242, 78005), (605, 31202), (1210, 15601)]