18259774

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{607}}^1$

素因数の和:724

約数の個数: 24

約数和(自身を含む): 30041280

約数和(自身を除く): 11781506

約数列:

[1, 2, 13, 26, 89, 169, 178, 338, 607, 1157, 1214, 2314, 7891, 15041, 15782, 30082, 54023, 102583, 108046, 205166, 702299, 1404598, 9129887, 18259774]

約数ペア:

[(1, 18259774), (2, 9129887), (13, 1404598), (26, 702299), (89, 205166), (169, 108046), (178, 102583), (338, 54023), (607, 30082), (1157, 15782), (1214, 15041), (2314, 7891)]