19690530

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{28537}}^1$

素因数の和:28570

約数の個数: 32

約数和(自身を含む): 49313664

約数和(自身を除く): 29623134

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 46, 69, 115, 138, 230, 345, 690, 28537, 57074, 85611, 142685, 171222, 285370, 428055, 656351, 856110, 1312702, 1969053, 3281755, 3938106, 6563510, 9845265, 19690530]

約数ペア:

[(1, 19690530), (2, 9845265), (3, 6563510), (5, 3938106), (6, 3281755), (10, 1969053), (15, 1312702), (23, 856110), (30, 656351), (46, 428055), (69, 285370), (115, 171222), (138, 142685), (230, 85611), (345, 57074), (690, 28537)]