18137691

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{829}}^1$

素因数の和:876

約数の個数: 48

約数和(自身を含む): 32628960

約数和(自身を除く): 14491269

約数列:

[1, 3, 9, 11, 13, 17, 33, 39, 51, 99, 117, 143, 153, 187, 221, 429, 561, 663, 829, 1287, 1683, 1989, 2431, 2487, 7293, 7461, 9119, 10777, 14093, 21879, 27357, 32331, 42279, 82071, 96993, 118547, 126837, 155023, 183209, 355641, 465069, 549627, 1066923, 1395207, 1648881, 2015299, 6045897, 18137691]

約数ペア:

[(1, 18137691), (3, 6045897), (9, 2015299), (11, 1648881), (13, 1395207), (17, 1066923), (33, 549627), (39, 465069), (51, 355641), (99, 183209), (117, 155023), (143, 126837), (153, 118547), (187, 96993), (221, 82071), (429, 42279), (561, 32331), (663, 27357), (829, 21879), (1287, 14093), (1683, 10777), (1989, 9119), (2431, 7461), (2487, 7293)]