19222161

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3041}}^1$

素因数の和:3101

約数の個数: 24

約数和(自身を含む): 30517344

約数和(自身を除く): 11295183

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 3041, 6321, 9123, 21287, 63861, 130763, 149009, 392289, 447027, 915341, 2746023, 6407387, 19222161]

約数ペア:

[(1, 19222161), (3, 6407387), (7, 2746023), (21, 915341), (43, 447027), (49, 392289), (129, 149009), (147, 130763), (301, 63861), (903, 21287), (2107, 9123), (3041, 6321)]