19428620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{57143}}^1$

素因数の和:57169

約数の個数: 24

約数和(自身を含む): 43200864

約数和(自身を除く): 23772244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 57143, 114286, 228572, 285715, 571430, 971431, 1142860, 1942862, 3885724, 4857155, 9714310, 19428620]

約数ペア:

[(1, 19428620), (2, 9714310), (4, 4857155), (5, 3885724), (10, 1942862), (17, 1142860), (20, 971431), (34, 571430), (68, 285715), (85, 228572), (170, 114286), (340, 57143)]