19361875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{2383}}^1$

素因数の和:2416

約数の個数: 20

約数和(自身を含む): 26066656

約数和(自身を除く): 6704781

約数列:

[1, 5, 13, 25, 65, 125, 325, 625, 1625, 2383, 8125, 11915, 30979, 59575, 154895, 297875, 774475, 1489375, 3872375, 19361875]

約数ペア:

[(1, 19361875), (5, 3872375), (13, 1489375), (25, 774475), (65, 297875), (125, 154895), (325, 59575), (625, 30979), (1625, 11915), (2383, 8125)]