19227875

素因数分解:

$5^3\times {\mathrm{101}}^1\times {\mathrm{1523}}^1$

素因数の和:1639

約数の個数: 16

約数和(自身を含む): 24249888

約数和(自身を除く): 5022013

約数列:

[1, 5, 25, 101, 125, 505, 1523, 2525, 7615, 12625, 38075, 153823, 190375, 769115, 3845575, 19227875]

約数ペア:

[(1, 19227875), (5, 3845575), (25, 769115), (101, 190375), (125, 153823), (505, 38075), (1523, 12625), (2525, 7615)]