18968019

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{4729}}^1$

素因数の和:4930

約数の個数: 16

約数和(自身を含む): 29061120

約数和(自身を除く): 10093101

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 4729, 14187, 33103, 99309, 903239, 2709717, 6322673, 18968019]

約数ペア:

[(1, 18968019), (3, 6322673), (7, 2709717), (21, 903239), (191, 99309), (573, 33103), (1337, 14187), (4011, 4729)]