19148900

素因数分解:

$2^2\times 5^2\times {\mathrm{53}}^1\times {\mathrm{3613}}^1$

素因数の和:3680

約数の個数: 36

約数和(自身を含む): 42348852

約数和(自身を除く): 23199952

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 53, 100, 106, 212, 265, 530, 1060, 1325, 2650, 3613, 5300, 7226, 14452, 18065, 36130, 72260, 90325, 180650, 191489, 361300, 382978, 765956, 957445, 1914890, 3829780, 4787225, 9574450, 19148900]

約数ペア:

[(1, 19148900), (2, 9574450), (4, 4787225), (5, 3829780), (10, 1914890), (20, 957445), (25, 765956), (50, 382978), (53, 361300), (100, 191489), (106, 180650), (212, 90325), (265, 72260), (530, 36130), (1060, 18065), (1325, 14452), (2650, 7226), (3613, 5300)]