19789731

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{4337}}^1$

素因数の和:4372

約数の個数: 24

約数和(自身を含む): 31754160

約数和(自身を除く): 11964429

約数列:

[1, 3, 9, 13, 27, 39, 117, 169, 351, 507, 1521, 4337, 4563, 13011, 39033, 56381, 117099, 169143, 507429, 732953, 1522287, 2198859, 6596577, 19789731]

約数ペア:

[(1, 19789731), (3, 6596577), (9, 2198859), (13, 1522287), (27, 732953), (39, 507429), (117, 169143), (169, 117099), (351, 56381), (507, 39033), (1521, 13011), (4337, 4563)]