18207399

素因数分解:

$3^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{1931}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 27820800

約数和(自身を除く): 9613401

約数列:

[1, 3, 7, 21, 449, 1347, 1931, 3143, 5793, 9429, 13517, 40551, 867019, 2601057, 6069133, 18207399]

約数ペア:

[(1, 18207399), (3, 6069133), (7, 2601057), (21, 867019), (449, 40551), (1347, 13517), (1931, 9429), (3143, 5793)]