18228021

素因数分解:

$3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{2791}}^1$

素因数の和:3112

約数の個数: 16

約数和(自身を含む): 27875328

約数和(自身を除く): 9647307

約数列:

[1, 3, 7, 21, 311, 933, 2177, 2791, 6531, 8373, 19537, 58611, 868001, 2604003, 6076007, 18228021]

約数ペア:

[(1, 18228021), (3, 6076007), (7, 2604003), (21, 868001), (311, 58611), (933, 19537), (2177, 8373), (2791, 6531)]