18732215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{7109}}^1$

素因数の和:7162

約数の個数: 16

約数和(自身を含む): 24572160

約数和(自身を除く): 5839945

約数列:

[1, 5, 17, 31, 85, 155, 527, 2635, 7109, 35545, 120853, 220379, 604265, 1101895, 3746443, 18732215]

約数ペア:

[(1, 18732215), (5, 3746443), (17, 1101895), (31, 604265), (85, 220379), (155, 120853), (527, 35545), (2635, 7109)]