17888740

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{9221}}^1$

素因数の和:9327

約数の個数: 24

約数和(自身を含む): 37957752

約数和(自身を除く): 20069012

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 9221, 18442, 36884, 46105, 92210, 184420, 894437, 1788874, 3577748, 4472185, 8944370, 17888740]

約数ペア:

[(1, 17888740), (2, 8944370), (4, 4472185), (5, 3577748), (10, 1788874), (20, 894437), (97, 184420), (194, 92210), (388, 46105), (485, 36884), (970, 18442), (1940, 9221)]