18888940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{134921}}^1$

素因数の和:134937

約数の個数: 24

約数和(自身を含む): 45333792

約数和(自身を除く): 26444852

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 134921, 269842, 539684, 674605, 944447, 1349210, 1888894, 2698420, 3777788, 4722235, 9444470, 18888940]

約数ペア:

[(1, 18888940), (2, 9444470), (4, 4722235), (5, 3777788), (7, 2698420), (10, 1888894), (14, 1349210), (20, 944447), (28, 674605), (35, 539684), (70, 269842), (140, 134921)]