18508015

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{659}}^1$

素因数の和:842

約数の個数: 16

約数和(自身を含む): 22952160

約数和(自身を除く): 4444145

約数列:

[1, 5, 41, 137, 205, 659, 685, 3295, 5617, 27019, 28085, 90283, 135095, 451415, 3701603, 18508015]

約数ペア:

[(1, 18508015), (5, 3701603), (41, 451415), (137, 135095), (205, 90283), (659, 28085), (685, 27019), (3295, 5617)]