19944875

素因数分解:

$5^3\times {\mathrm{379}}^1\times {\mathrm{421}}^1$

素因数の和:815

約数の個数: 16

約数和(自身を含む): 25016160

約数和(自身を除く): 5071285

約数列:

[1, 5, 25, 125, 379, 421, 1895, 2105, 9475, 10525, 47375, 52625, 159559, 797795, 3988975, 19944875]

約数ペア:

[(1, 19944875), (5, 3988975), (25, 797795), (125, 159559), (379, 52625), (421, 47375), (1895, 10525), (2105, 9475)]