18637658

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:918

約数の個数: 24

約数和(自身を含む): 30761568

約数和(自身を除く): 12123910

約数列:

[1, 2, 13, 26, 67, 134, 169, 338, 823, 871, 1646, 1742, 10699, 11323, 21398, 22646, 55141, 110282, 139087, 278174, 716833, 1433666, 9318829, 18637658]

約数ペア:

[(1, 18637658), (2, 9318829), (13, 1433666), (26, 716833), (67, 278174), (134, 139087), (169, 110282), (338, 55141), (823, 22646), (871, 21398), (1646, 11323), (1742, 10699)]