18401786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 33008640

約数和(自身を除く): 14606854

約数列:

[1, 2, 13, 17, 26, 31, 34, 62, 79, 158, 221, 289, 403, 442, 527, 578, 806, 1027, 1054, 1343, 2054, 2449, 2686, 3757, 4898, 6851, 7514, 8959, 13702, 17459, 17918, 22831, 31837, 34918, 41633, 45662, 63674, 83266, 116467, 232934, 296803, 541229, 593606, 707761, 1082458, 1415522, 9200893, 18401786]

約数ペア:

[(1, 18401786), (2, 9200893), (13, 1415522), (17, 1082458), (26, 707761), (31, 593606), (34, 541229), (62, 296803), (79, 232934), (158, 116467), (221, 83266), (289, 63674), (403, 45662), (442, 41633), (527, 34918), (578, 31837), (806, 22831), (1027, 17918), (1054, 17459), (1343, 13702), (2054, 8959), (2449, 7514), (2686, 6851), (3757, 4898)]