18934085

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{211}}^1$

素因数の和:484

約数の個数: 16

約数和(自身を含む): 23170752

約数和(自身を除く): 4236667

約数列:

[1, 5, 131, 137, 211, 655, 685, 1055, 17947, 27641, 28907, 89735, 138205, 144535, 3786817, 18934085]

約数ペア:

[(1, 18934085), (5, 3786817), (131, 144535), (137, 138205), (211, 89735), (655, 28907), (685, 27641), (1055, 17947)]