28238180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74311}}^1$

素因数の和:74339

約数の個数: 24

約数和(自身を含む): 62422080

約数和(自身を除く): 34183900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74311, 148622, 297244, 371555, 743110, 1411909, 1486220, 2823818, 5647636, 7059545, 14119090, 28238180]

約数ペア:

[(1, 28238180), (2, 14119090), (4, 7059545), (5, 5647636), (10, 2823818), (19, 1486220), (20, 1411909), (38, 743110), (76, 371555), (95, 297244), (190, 148622), (380, 74311)]