18729969

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1\times {\mathrm{467}}^1$

素因数の和:960

約数の個数: 16

約数和(自身を含む): 25945920

約数和(自身を除く): 7215951

約数列:

[1, 3, 29, 87, 461, 467, 1383, 1401, 13369, 13543, 40107, 40629, 215287, 645861, 6243323, 18729969]

約数ペア:

[(1, 18729969), (3, 6243323), (29, 645861), (87, 215287), (461, 40629), (467, 40107), (1383, 13543), (1401, 13369)]