19301875

素因数分解:

$5^4\times {\mathrm{89}}^1\times {\mathrm{347}}^1$

素因数の和:456

約数の個数: 20

約数和(自身を含む): 24460920

約数和(自身を除く): 5159045

約数列:

[1, 5, 25, 89, 125, 347, 445, 625, 1735, 2225, 8675, 11125, 30883, 43375, 55625, 154415, 216875, 772075, 3860375, 19301875]

約数ペア:

[(1, 19301875), (5, 3860375), (25, 772075), (89, 216875), (125, 154415), (347, 55625), (445, 43375), (625, 30883), (1735, 11125), (2225, 8675)]