19996131

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{17047}}^1$

素因数の和:17090

約数の個数: 16

約数和(自身を含む): 29458944

約数和(自身を除く): 9462813

約数列:

[1, 3, 17, 23, 51, 69, 391, 1173, 17047, 51141, 289799, 392081, 869397, 1176243, 6665377, 19996131]

約数ペア:

[(1, 19996131), (3, 6665377), (17, 1176243), (23, 869397), (51, 392081), (69, 289799), (391, 51141), (1173, 17047)]