18198395

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{857}}^1$

素因数の和:1030

約数の個数: 16

約数和(自身を含む): 22733568

約数和(自身を除く): 4535173

約数列:

[1, 5, 31, 137, 155, 685, 857, 4247, 4285, 21235, 26567, 117409, 132835, 587045, 3639679, 18198395]

約数ペア:

[(1, 18198395), (5, 3639679), (31, 587045), (137, 132835), (155, 117409), (685, 26567), (857, 21235), (4247, 4285)]