18396237

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:441

約数の個数: 32

約数和(自身を含む): 27648000

約数和(自身を除く): 9251763

約数列:

[1, 3, 19, 29, 31, 57, 87, 93, 359, 551, 589, 899, 1077, 1653, 1767, 2697, 6821, 10411, 11129, 17081, 20463, 31233, 33387, 51243, 197809, 211451, 322741, 593427, 634353, 968223, 6132079, 18396237]

約数ペア:

[(1, 18396237), (3, 6132079), (19, 968223), (29, 634353), (31, 593427), (57, 322741), (87, 211451), (93, 197809), (359, 51243), (551, 33387), (589, 31233), (899, 20463), (1077, 17081), (1653, 11129), (1767, 10411), (2697, 6821)]