18396189

素因数分解:

$3^2\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2729}}^1$

素因数の和:2849

約数の個数: 24

約数和(自身を含む): 30663360

約数和(自身を除く): 12267171

約数列:

[1, 3, 7, 9, 21, 63, 107, 321, 749, 963, 2247, 2729, 6741, 8187, 19103, 24561, 57309, 171927, 292003, 876009, 2044021, 2628027, 6132063, 18396189]

約数ペア:

[(1, 18396189), (3, 6132063), (7, 2628027), (9, 2044021), (21, 876009), (63, 292003), (107, 171927), (321, 57309), (749, 24561), (963, 19103), (2247, 8187), (2729, 6741)]