19238620

素因数分解:

$2^2\times 5^1\times {\mathrm{397}}^1\times {\mathrm{2423}}^1$

素因数の和:2829

約数の個数: 24

約数和(自身を含む): 40519584

約数和(自身を除く): 21280964

約数列:

[1, 2, 4, 5, 10, 20, 397, 794, 1588, 1985, 2423, 3970, 4846, 7940, 9692, 12115, 24230, 48460, 961931, 1923862, 3847724, 4809655, 9619310, 19238620]

約数ペア:

[(1, 19238620), (2, 9619310), (4, 4809655), (5, 3847724), (10, 1923862), (20, 961931), (397, 48460), (794, 24230), (1588, 12115), (1985, 9692), (2423, 7940), (3970, 4846)]