19921041

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1747}}^1$

素因数の和:1941

約数の個数: 24

約数和(自身を含む): 33086144

約数和(自身を除く): 13165103

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1267, 1629, 1747, 3801, 5241, 11403, 12229, 15723, 36687, 110061, 316207, 948621, 2213449, 2845863, 6640347, 19921041]

約数ペア:

[(1, 19921041), (3, 6640347), (7, 2845863), (9, 2213449), (21, 948621), (63, 316207), (181, 110061), (543, 36687), (1267, 15723), (1629, 12229), (1747, 11403), (3801, 5241)]