19333900

素因数分解:

$2^2\times 5^2\times {\mathrm{397}}^1\times {\mathrm{487}}^1$

素因数の和:898

約数の個数: 36

約数和(自身を含む): 42146608

約数和(自身を除く): 22812708

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 397, 487, 794, 974, 1588, 1948, 1985, 2435, 3970, 4870, 7940, 9740, 9925, 12175, 19850, 24350, 39700, 48700, 193339, 386678, 773356, 966695, 1933390, 3866780, 4833475, 9666950, 19333900]

約数ペア:

[(1, 19333900), (2, 9666950), (4, 4833475), (5, 3866780), (10, 1933390), (20, 966695), (25, 773356), (50, 386678), (100, 193339), (397, 48700), (487, 39700), (794, 24350), (974, 19850), (1588, 12175), (1948, 9925), (1985, 9740), (2435, 7940), (3970, 4870)]