18810561

素因数分解:

$3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{11633}}^1$

素因数の和:11661

約数の個数: 24

約数和(自身を含む): 31830624

約数和(自身を除く): 13020063

約数列:

[1, 3, 7, 11, 21, 33, 49, 77, 147, 231, 539, 1617, 11633, 34899, 81431, 127963, 244293, 383889, 570017, 895741, 1710051, 2687223, 6270187, 18810561]

約数ペア:

[(1, 18810561), (3, 6270187), (7, 2687223), (11, 1710051), (21, 895741), (33, 570017), (49, 383889), (77, 244293), (147, 127963), (231, 81431), (539, 34899), (1617, 11633)]