18478418

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{42577}}^1$

素因数の和:42617

約数の個数: 16

約数和(自身を含む): 32699904

約数和(自身を除く): 14221486

約数列:

[1, 2, 7, 14, 31, 62, 217, 434, 42577, 85154, 298039, 596078, 1319887, 2639774, 9239209, 18478418]

約数ペア:

[(1, 18478418), (2, 9239209), (7, 2639774), (14, 1319887), (31, 596078), (62, 298039), (217, 85154), (434, 42577)]