13181900

素因数分解:

$2^2\times 5^2\times {\mathrm{193}}^1\times {\mathrm{683}}^1$

素因数の和:890

約数の個数: 36

約数和(自身を含む): 28795032

約数和(自身を除く): 15613132

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 193, 386, 683, 772, 965, 1366, 1930, 2732, 3415, 3860, 4825, 6830, 9650, 13660, 17075, 19300, 34150, 68300, 131819, 263638, 527276, 659095, 1318190, 2636380, 3295475, 6590950, 13181900]

約数ペア:

[(1, 13181900), (2, 6590950), (4, 3295475), (5, 2636380), (10, 1318190), (20, 659095), (25, 527276), (50, 263638), (100, 131819), (193, 68300), (386, 34150), (683, 19300), (772, 17075), (965, 13660), (1366, 9650), (1930, 6830), (2732, 4825), (3415, 3860)]