19872630

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{220807}}^1$

素因数の和:220820

約数の個数: 24

約数和(自身を含む): 51669072

約数和(自身を除く): 31796442

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 220807, 441614, 662421, 1104035, 1324842, 1987263, 2208070, 3312105, 3974526, 6624210, 9936315, 19872630]

約数ペア:

[(1, 19872630), (2, 9936315), (3, 6624210), (5, 3974526), (6, 3312105), (9, 2208070), (10, 1987263), (15, 1324842), (18, 1104035), (30, 662421), (45, 441614), (90, 220807)]