18038713

素因数分解:

$7^4\times {\mathrm{11}}^1\times {\mathrm{683}}^1$

素因数の和:722

約数の個数: 20

約数和(自身を含む): 22990608

約数和(自身を除く): 4951895

約数列:

[1, 7, 11, 49, 77, 343, 539, 683, 2401, 3773, 4781, 7513, 26411, 33467, 52591, 234269, 368137, 1639883, 2576959, 18038713]

約数ペア:

[(1, 18038713), (7, 2576959), (11, 1639883), (49, 368137), (77, 234269), (343, 52591), (539, 33467), (683, 26411), (2401, 7513), (3773, 4781)]