18401138

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{743}}^1$

素因数の和:842

約数の個数: 32

約数和(自身を含む): 33212160

約数和(自身を除く): 14811022

約数列:

[1, 2, 7, 14, 29, 58, 61, 122, 203, 406, 427, 743, 854, 1486, 1769, 3538, 5201, 10402, 12383, 21547, 24766, 43094, 45323, 90646, 150829, 301658, 317261, 634522, 1314367, 2628734, 9200569, 18401138]

約数ペア:

[(1, 18401138), (2, 9200569), (7, 2628734), (14, 1314367), (29, 634522), (58, 317261), (61, 301658), (122, 150829), (203, 90646), (406, 45323), (427, 43094), (743, 24766), (854, 21547), (1486, 12383), (1769, 10402), (3538, 5201)]