19776783

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{1453}}^1$

素因数の和:1818

約数の個数: 16

約数和(自身を含む): 28498400

約数和(自身を除く): 8721617

約数列:

[1, 3, 13, 39, 349, 1047, 1453, 4359, 4537, 13611, 18889, 56667, 507097, 1521291, 6592261, 19776783]

約数ペア:

[(1, 19776783), (3, 6592261), (13, 1521291), (39, 507097), (349, 56667), (1047, 18889), (1453, 13611), (4359, 4537)]