19417460

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{10009}}^1$

素因数の和:10115

約数の個数: 24

約数和(自身を含む): 41201160

約数和(自身を除く): 21783700

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 10009, 20018, 40036, 50045, 100090, 200180, 970873, 1941746, 3883492, 4854365, 9708730, 19417460]

約数ペア:

[(1, 19417460), (2, 9708730), (4, 4854365), (5, 3883492), (10, 1941746), (20, 970873), (97, 200180), (194, 100090), (388, 50045), (485, 40036), (970, 20018), (1940, 10009)]