19983297

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{2657}}^1$

素因数の和:2792

約数の個数: 16

約数和(自身を含む): 28068480

約数和(自身を除く): 8085183

約数列:

[1, 3, 23, 69, 109, 327, 2507, 2657, 7521, 7971, 61111, 183333, 289613, 868839, 6661099, 19983297]

約数ペア:

[(1, 19983297), (3, 6661099), (23, 868839), (69, 289613), (109, 183333), (327, 61111), (2507, 7971), (2657, 7521)]