19126875

素因数分解:

$3^1\times 5^4\times {\mathrm{101}}^2$

素因数の和:225

約数の個数: 30

約数和(自身を含む): 32186572

約数和(自身を除く): 13059697

約数列:

[1, 3, 5, 15, 25, 75, 101, 125, 303, 375, 505, 625, 1515, 1875, 2525, 7575, 10201, 12625, 30603, 37875, 51005, 63125, 153015, 189375, 255025, 765075, 1275125, 3825375, 6375625, 19126875]

約数ペア:

[(1, 19126875), (3, 6375625), (5, 3825375), (15, 1275125), (25, 765075), (75, 255025), (101, 189375), (125, 153015), (303, 63125), (375, 51005), (505, 37875), (625, 30603), (1515, 12625), (1875, 10201), (2525, 7575)]