19533890

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{17921}}^1$

素因数の和:18037

約数の個数: 16

約数和(自身を含む): 35485560

約数和(自身を除く): 15951670

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 17921, 35842, 89605, 179210, 1953389, 3906778, 9766945, 19533890]

約数ペア:

[(1, 19533890), (2, 9766945), (5, 3906778), (10, 1953389), (109, 179210), (218, 89605), (545, 35842), (1090, 17921)]