19961880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{166349}}^1$

素因数の和:166363

約数の個数: 32

約数和(自身を含む): 59886000

約数和(自身を除く): 39924120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 166349, 332698, 499047, 665396, 831745, 998094, 1330792, 1663490, 1996188, 2495235, 3326980, 3992376, 4990470, 6653960, 9980940, 19961880]

約数ペア:

[(1, 19961880), (2, 9980940), (3, 6653960), (4, 4990470), (5, 3992376), (6, 3326980), (8, 2495235), (10, 1996188), (12, 1663490), (15, 1330792), (20, 998094), (24, 831745), (30, 665396), (40, 499047), (60, 332698), (120, 166349)]