19155680

素因数分解:

$2^5\times 5^1\times {\mathrm{119723}}^1$

素因数の和:119738

約数の個数: 24

約数和(自身を含む): 45255672

約数和(自身を除く): 26099992

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 119723, 239446, 478892, 598615, 957784, 1197230, 1915568, 2394460, 3831136, 4788920, 9577840, 19155680]

約数ペア:

[(1, 19155680), (2, 9577840), (4, 4788920), (5, 3831136), (8, 2394460), (10, 1915568), (16, 1197230), (20, 957784), (32, 598615), (40, 478892), (80, 239446), (160, 119723)]