18889672

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{81421}}^1$

素因数の和:81456

約数の個数: 16

約数和(自身を含む): 36639900

約数和(自身を除く): 17750228

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 81421, 162842, 325684, 651368, 2361209, 4722418, 9444836, 18889672]

約数ペア:

[(1, 18889672), (2, 9444836), (4, 4722418), (8, 2361209), (29, 651368), (58, 325684), (116, 162842), (232, 81421)]