18212859

素因数分解:

$3^2\times 7^2\times {\mathrm{41299}}^1$

素因数の和:41319

約数の個数: 18

約数和(自身を含む): 30603300

約数和(自身を除く): 12390441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 41299, 123897, 289093, 371691, 867279, 2023651, 2601837, 6070953, 18212859]

約数ペア:

[(1, 18212859), (3, 6070953), (7, 2601837), (9, 2023651), (21, 867279), (49, 371691), (63, 289093), (147, 123897), (441, 41299)]