18785039

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6659}}^1$

素因数の和:6710

約数の個数: 16

約数和(自身を含む): 23869440

約数和(自身を除く): 5084401

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 6659, 46613, 86567, 206429, 605969, 1445003, 2683577, 18785039]

約数ペア:

[(1, 18785039), (7, 2683577), (13, 1445003), (31, 605969), (91, 206429), (217, 86567), (403, 46613), (2821, 6659)]