19690438

素因数分解:

$2^1\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:588

約数の個数: 24

約数和(自身を含む): 31773168

約数和(自身を除く): 12082730

約数列:

[1, 2, 23, 37, 46, 74, 503, 529, 851, 1006, 1058, 1702, 11569, 18611, 19573, 23138, 37222, 39146, 266087, 428053, 532174, 856106, 9845219, 19690438]

約数ペア:

[(1, 19690438), (2, 9845219), (23, 856106), (37, 532174), (46, 428053), (74, 266087), (503, 39146), (529, 37222), (851, 23138), (1006, 19573), (1058, 18611), (1702, 11569)]