18622387

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:207

約数の個数: 24

約数和(自身を含む): 22934016

約数和(自身を除く): 4311629

約数列:

[1, 7, 23, 47, 107, 161, 329, 529, 749, 1081, 2461, 3703, 5029, 7567, 17227, 24863, 35203, 56603, 115667, 174041, 396221, 809669, 2660341, 18622387]

約数ペア:

[(1, 18622387), (7, 2660341), (23, 809669), (47, 396221), (107, 174041), (161, 115667), (329, 56603), (529, 35203), (749, 24863), (1081, 17227), (2461, 7567), (3703, 5029)]