19898121

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{2113}}^1$

素因数の和:2232

約数の個数: 16

約数和(自身を含む): 27532736

約数和(自身を除く): 7634615

約数列:

[1, 3, 43, 73, 129, 219, 2113, 3139, 6339, 9417, 90859, 154249, 272577, 462747, 6632707, 19898121]

約数ペア:

[(1, 19898121), (3, 6632707), (43, 462747), (73, 272577), (129, 154249), (219, 90859), (2113, 9417), (3139, 6339)]