18974618

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{42929}}^1$

素因数の和:42961

約数の個数: 16

約数和(自身を含む): 32455080

約数和(自身を除く): 13480462

約数列:

[1, 2, 13, 17, 26, 34, 221, 442, 42929, 85858, 558077, 729793, 1116154, 1459586, 9487309, 18974618]

約数ペア:

[(1, 18974618), (2, 9487309), (13, 1459586), (17, 1116154), (26, 729793), (34, 558077), (221, 85858), (442, 42929)]