19482020

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{6451}}^1$

素因数の和:6611

約数の個数: 24

約数和(自身を含む): 41189568

約数和(自身を除く): 21707548

約数列:

[1, 2, 4, 5, 10, 20, 151, 302, 604, 755, 1510, 3020, 6451, 12902, 25804, 32255, 64510, 129020, 974101, 1948202, 3896404, 4870505, 9741010, 19482020]

約数ペア:

[(1, 19482020), (2, 9741010), (4, 4870505), (5, 3896404), (10, 1948202), (20, 974101), (151, 129020), (302, 64510), (604, 32255), (755, 25804), (1510, 12902), (3020, 6451)]