17947826

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{10303}}^1$

素因数の和:10385

約数の個数: 16

約数和(自身を含む): 29428224

約数和(自身を除く): 11480398

約数列:

[1, 2, 13, 26, 67, 134, 871, 1742, 10303, 20606, 133939, 267878, 690301, 1380602, 8973913, 17947826]

約数ペア:

[(1, 17947826), (2, 8973913), (13, 1380602), (26, 690301), (67, 267878), (134, 133939), (871, 20606), (1742, 10303)]