19806180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{330103}}^1$

素因数の和:330115

約数の個数: 24

約数和(自身を含む): 55457472

約数和(自身を除く): 35651292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 330103, 660206, 990309, 1320412, 1650515, 1980618, 3301030, 3961236, 4951545, 6602060, 9903090, 19806180]

約数ペア:

[(1, 19806180), (2, 9903090), (3, 6602060), (4, 4951545), (5, 3961236), (6, 3301030), (10, 1980618), (12, 1650515), (15, 1320412), (20, 990309), (30, 660206), (60, 330103)]