19805235

素因数分解:

$3^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{10079}}^1$

素因数の和:10218

約数の個数: 16

約数和(自身を含む): 31933440

約数和(自身を除く): 12128205

約数列:

[1, 3, 5, 15, 131, 393, 655, 1965, 10079, 30237, 50395, 151185, 1320349, 3961047, 6601745, 19805235]

約数ペア:

[(1, 19805235), (3, 6601745), (5, 3961047), (15, 1320349), (131, 151185), (393, 50395), (655, 30237), (1965, 10079)]