19682155

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{911}}^1$

素因数の和:1094

約数の個数: 16

約数和(自身を含む): 24624000

約数和(自身を除く): 4941845

約数列:

[1, 5, 29, 145, 149, 745, 911, 4321, 4555, 21605, 26419, 132095, 135739, 678695, 3936431, 19682155]

約数ペア:

[(1, 19682155), (5, 3936431), (29, 678695), (145, 135739), (149, 132095), (745, 26419), (911, 21605), (4321, 4555)]