18204963

素因数分解:

$3^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{5011}}^1$

素因数の和:5194

約数の個数: 16

約数和(自身を含む): 27906816

約数和(自身を除く): 9701853

約数列:

[1, 3, 7, 21, 173, 519, 1211, 3633, 5011, 15033, 35077, 105231, 866903, 2600709, 6068321, 18204963]

約数ペア:

[(1, 18204963), (3, 6068321), (7, 2600709), (21, 866903), (173, 105231), (519, 35077), (1211, 15033), (3633, 5011)]