18495906

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21557}}^1$

素因数の和:21586

約数の個数: 32

約数和(自身を含む): 43460928

約数和(自身を除く): 24965022

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 143, 286, 429, 858, 21557, 43114, 64671, 129342, 237127, 280241, 474254, 560482, 711381, 840723, 1422762, 1681446, 3082651, 6165302, 9247953, 18495906]

約数ペア:

[(1, 18495906), (2, 9247953), (3, 6165302), (6, 3082651), (11, 1681446), (13, 1422762), (22, 840723), (26, 711381), (33, 560482), (39, 474254), (66, 280241), (78, 237127), (143, 129342), (286, 64671), (429, 43114), (858, 21557)]