19932760

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{2609}}^1$

素因数の和:2811

約数の個数: 32

約数和(自身を含む): 45100800

約数和(自身を除く): 25168040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 2609, 3820, 5218, 7640, 10436, 13045, 20872, 26090, 52180, 104360, 498319, 996638, 1993276, 2491595, 3986552, 4983190, 9966380, 19932760]

約数ペア:

[(1, 19932760), (2, 9966380), (4, 4983190), (5, 3986552), (8, 2491595), (10, 1993276), (20, 996638), (40, 498319), (191, 104360), (382, 52180), (764, 26090), (955, 20872), (1528, 13045), (1910, 10436), (2609, 7640), (3820, 5218)]