19443385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{3361}}^1$

素因数の和:3468

約数の個数: 16

約数和(自身を含む): 25416720

約数和(自身を除く): 5973335

約数列:

[1, 5, 13, 65, 89, 445, 1157, 3361, 5785, 16805, 43693, 218465, 299129, 1495645, 3888677, 19443385]

約数ペア:

[(1, 19443385), (5, 3888677), (13, 1495645), (65, 299129), (89, 218465), (445, 43693), (1157, 16805), (3361, 5785)]