19128680

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3167}}^1$

素因数の和:3329

約数の個数: 32

約数和(自身を含む): 43338240

約数和(自身を除く): 24209560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3167, 6040, 6334, 12668, 15835, 25336, 31670, 63340, 126680, 478217, 956434, 1912868, 2391085, 3825736, 4782170, 9564340, 19128680]

約数ペア:

[(1, 19128680), (2, 9564340), (4, 4782170), (5, 3825736), (8, 2391085), (10, 1912868), (20, 956434), (40, 478217), (151, 126680), (302, 63340), (604, 31670), (755, 25336), (1208, 15835), (1510, 12668), (3020, 6334), (3167, 6040)]