19212630

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{640421}}^1$

素因数の和:640431

約数の個数: 16

約数和(自身を含む): 46110384

約数和(自身を除く): 26897754

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 640421, 1280842, 1921263, 3202105, 3842526, 6404210, 9606315, 19212630]

約数ペア:

[(1, 19212630), (2, 9606315), (3, 6404210), (5, 3842526), (6, 3202105), (10, 1921263), (15, 1280842), (30, 640421)]