19312900

素因数分解:

$2^2\times 5^2\times {\mathrm{151}}^1\times {\mathrm{1279}}^1$

素因数の和:1444

約数の個数: 36

約数和(自身を含む): 42219520

約数和(自身を除く): 22906620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 151, 302, 604, 755, 1279, 1510, 2558, 3020, 3775, 5116, 6395, 7550, 12790, 15100, 25580, 31975, 63950, 127900, 193129, 386258, 772516, 965645, 1931290, 3862580, 4828225, 9656450, 19312900]

約数ペア:

[(1, 19312900), (2, 9656450), (4, 4828225), (5, 3862580), (10, 1931290), (20, 965645), (25, 772516), (50, 386258), (100, 193129), (151, 127900), (302, 63950), (604, 31975), (755, 25580), (1279, 15100), (1510, 12790), (2558, 7550), (3020, 6395), (3775, 5116)]