19118795

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:271

約数の個数: 24

約数和(自身を含む): 24800688

約数和(自身を除く): 5681893

約数列:

[1, 5, 17, 85, 101, 131, 289, 505, 655, 1445, 1717, 2227, 8585, 11135, 13231, 29189, 37859, 66155, 145945, 189295, 224927, 1124635, 3823759, 19118795]

約数ペア:

[(1, 19118795), (5, 3823759), (17, 1124635), (85, 224927), (101, 189295), (131, 145945), (289, 66155), (505, 37859), (655, 29189), (1445, 13231), (1717, 11135), (2227, 8585)]