19304530

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{39397}}^1$

素因数の和:39418

約数の個数: 24

約数和(自身を含む): 40422348

約数和(自身を除く): 21117818

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 39397, 78794, 196985, 275779, 393970, 551558, 1378895, 1930453, 2757790, 3860906, 9652265, 19304530]

約数ペア:

[(1, 19304530), (2, 9652265), (5, 3860906), (7, 2757790), (10, 1930453), (14, 1378895), (35, 551558), (49, 393970), (70, 275779), (98, 196985), (245, 78794), (490, 39397)]