18797770

素因数分解:

$2^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{13721}}^1$

素因数の和:13865

約数の個数: 16

約数和(自身を含む): 34085448

約数和(自身を除く): 15287678

約数列:

[1, 2, 5, 10, 137, 274, 685, 1370, 13721, 27442, 68605, 137210, 1879777, 3759554, 9398885, 18797770]

約数ペア:

[(1, 18797770), (2, 9398885), (5, 3759554), (10, 1879777), (137, 137210), (274, 68605), (685, 27442), (1370, 13721)]