19204780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137177}}^1$

素因数の和:137193

約数の個数: 24

約数和(自身を含む): 46091808

約数和(自身を除く): 26887028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 137177, 274354, 548708, 685885, 960239, 1371770, 1920478, 2743540, 3840956, 4801195, 9602390, 19204780]

約数ペア:

[(1, 19204780), (2, 9602390), (4, 4801195), (5, 3840956), (7, 2743540), (10, 1920478), (14, 1371770), (20, 960239), (28, 685885), (35, 548708), (70, 274354), (140, 137177)]