18966155

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{677}}^1$

素因数の和:1126

約数の個数: 16

約数和(自身を含む): 24603264

約数和(自身を除く): 5637109

約数列:

[1, 5, 13, 65, 431, 677, 2155, 3385, 5603, 8801, 28015, 44005, 291787, 1458935, 3793231, 18966155]

約数ペア:

[(1, 18966155), (5, 3793231), (13, 1458935), (65, 291787), (431, 44005), (677, 28015), (2155, 8801), (3385, 5603)]