1993955

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:314

約数の個数: 16

約数和(自身を含む): 2553600

約数和(自身を除く): 559645

約数列:

[1, 5, 19, 95, 139, 151, 695, 755, 2641, 2869, 13205, 14345, 20989, 104945, 398791, 1993955]

約数ペア:

[(1, 1993955), (5, 398791), (19, 104945), (95, 20989), (139, 14345), (151, 13205), (695, 2869), (755, 2641)]