19045960

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{2417}}^1$

素因数の和:2625

約数の個数: 32

約数和(自身を含む): 43088760

約数和(自身を除く): 24042800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 2417, 3940, 4834, 7880, 9668, 12085, 19336, 24170, 48340, 96680, 476149, 952298, 1904596, 2380745, 3809192, 4761490, 9522980, 19045960]

約数ペア:

[(1, 19045960), (2, 9522980), (4, 4761490), (5, 3809192), (8, 2380745), (10, 1904596), (20, 952298), (40, 476149), (197, 96680), (394, 48340), (788, 24170), (985, 19336), (1576, 12085), (1970, 9668), (2417, 7880), (3940, 4834)]