18557331

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{4447}}^1$

素因数の和:4570

約数の個数: 16

約数和(自身を含む): 26901504

約数和(自身を除く): 8344173

約数列:

[1, 3, 13, 39, 107, 321, 1391, 4173, 4447, 13341, 57811, 173433, 475829, 1427487, 6185777, 18557331]

約数ペア:

[(1, 18557331), (3, 6185777), (13, 1427487), (39, 475829), (107, 173433), (321, 57811), (1391, 13341), (4173, 4447)]