18535270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{8387}}^1$

素因数の和:8424

約数の個数: 32

約数和(自身を含む): 38047968

約数和(自身を除く): 19512698

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 8387, 16774, 41935, 83870, 109031, 142579, 218062, 285158, 545155, 712895, 1090310, 1425790, 1853527, 3707054, 9267635, 18535270]

約数ペア:

[(1, 18535270), (2, 9267635), (5, 3707054), (10, 1853527), (13, 1425790), (17, 1090310), (26, 712895), (34, 545155), (65, 285158), (85, 218062), (130, 142579), (170, 109031), (221, 83870), (442, 41935), (1105, 16774), (2210, 8387)]