18485467

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{313}}^1$

素因数の和:403

約数の個数: 32

約数和(自身を含む): 25320960

約数和(自身を除く): 6835493

約数列:

[1, 7, 11, 13, 59, 77, 91, 143, 313, 413, 649, 767, 1001, 2191, 3443, 4069, 4543, 5369, 8437, 18467, 24101, 28483, 44759, 59059, 129269, 203137, 240071, 313313, 1421959, 1680497, 2640781, 18485467]

約数ペア:

[(1, 18485467), (7, 2640781), (11, 1680497), (13, 1421959), (59, 313313), (77, 240071), (91, 203137), (143, 129269), (313, 59059), (413, 44759), (649, 28483), (767, 24101), (1001, 18467), (2191, 8437), (3443, 5369), (4069, 4543)]