19481566

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8419}}^1$

素因数の和:8523

約数の個数: 16

約数和(自身を含む): 31827600

約数和(自身を除く): 12346034

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8419, 16838, 109447, 218894, 749291, 1498582, 9740783, 19481566]

約数ペア:

[(1, 19481566), (2, 9740783), (13, 1498582), (26, 749291), (89, 218894), (178, 109447), (1157, 16838), (2314, 8419)]