18556340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{84347}}^1$

素因数の和:84367

約数の個数: 24

約数和(自身を含む): 42511392

約数和(自身を除く): 23955052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 84347, 168694, 337388, 421735, 843470, 927817, 1686940, 1855634, 3711268, 4639085, 9278170, 18556340]

約数ペア:

[(1, 18556340), (2, 9278170), (4, 4639085), (5, 3711268), (10, 1855634), (11, 1686940), (20, 927817), (22, 843470), (44, 421735), (55, 337388), (110, 168694), (220, 84347)]