18952843

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{433}}^1$

素因数の和:503

約数の個数: 24

約数和(自身を含む): 24144288

約数和(自身を除く): 5191445

約数列:

[1, 7, 13, 37, 91, 169, 259, 433, 481, 1183, 3031, 3367, 5629, 6253, 16021, 39403, 43771, 73177, 112147, 208273, 512239, 1457911, 2707549, 18952843]

約数ペア:

[(1, 18952843), (7, 2707549), (13, 1457911), (37, 512239), (91, 208273), (169, 112147), (259, 73177), (433, 43771), (481, 39403), (1183, 16021), (3031, 6253), (3367, 5629)]