18970180

素因数分解:

$2^2\times 5^1\times {\mathrm{929}}^1\times {\mathrm{1021}}^1$

素因数の和:1959

約数の個数: 24

約数和(自身を含む): 39919320

約数和(自身を除く): 20949140

約数列:

[1, 2, 4, 5, 10, 20, 929, 1021, 1858, 2042, 3716, 4084, 4645, 5105, 9290, 10210, 18580, 20420, 948509, 1897018, 3794036, 4742545, 9485090, 18970180]

約数ペア:

[(1, 18970180), (2, 9485090), (4, 4742545), (5, 3794036), (10, 1897018), (20, 948509), (929, 20420), (1021, 18580), (1858, 10210), (2042, 9290), (3716, 5105), (4084, 4645)]