18209529

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{17293}}^1$

素因数の和:17318

約数の個数: 20

約数和(自身を含む): 29296036

約数和(自身を除く): 11086507

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 351, 1053, 17293, 51879, 155637, 224809, 466911, 674427, 1400733, 2023281, 6069843, 18209529]

約数ペア:

[(1, 18209529), (3, 6069843), (9, 2023281), (13, 1400733), (27, 674427), (39, 466911), (81, 224809), (117, 155637), (351, 51879), (1053, 17293)]