19853875

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{9343}}^1$

素因数の和:9375

約数の個数: 16

約数和(自身を含む): 26237952

約数和(自身を除く): 6384077

約数列:

[1, 5, 17, 25, 85, 125, 425, 2125, 9343, 46715, 158831, 233575, 794155, 1167875, 3970775, 19853875]

約数ペア:

[(1, 19853875), (5, 3970775), (17, 1167875), (25, 794155), (85, 233575), (125, 158831), (425, 46715), (2125, 9343)]