19301991

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{3541}}^1$

素因数の和:3646

約数の個数: 16

約数和(自身を含む): 27202560

約数和(自身を除く): 7900569

約数列:

[1, 3, 23, 69, 79, 237, 1817, 3541, 5451, 10623, 81443, 244329, 279739, 839217, 6433997, 19301991]

約数ペア:

[(1, 19301991), (3, 6433997), (23, 839217), (69, 279739), (79, 244329), (237, 81443), (1817, 10623), (3541, 5451)]