17640778

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4259}}^1$

素因数の和:4389

約数の個数: 16

約数和(自身を含む): 28116000

約数和(自身を除く): 10475222

約数列:

[1, 2, 19, 38, 109, 218, 2071, 4142, 4259, 8518, 80921, 161842, 464231, 928462, 8820389, 17640778]

約数ペア:

[(1, 17640778), (2, 8820389), (19, 928462), (38, 464231), (109, 161842), (218, 80921), (2071, 8518), (4142, 4259)]