19295521

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 22708224

約数和(自身を除く): 3412703

約数列:

[1, 7, 47, 223, 263, 329, 1561, 1841, 10481, 12361, 58649, 73367, 86527, 410543, 2756503, 19295521]

約数ペア:

[(1, 19295521), (7, 2756503), (47, 410543), (223, 86527), (263, 73367), (329, 58649), (1561, 12361), (1841, 10481)]