19280620

素因数分解:

$2^2\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1049}}^1$

素因数の和:1977

約数の個数: 24

約数和(自身を含む): 40572000

約数和(自身を除く): 21291380

約数列:

[1, 2, 4, 5, 10, 20, 919, 1049, 1838, 2098, 3676, 4196, 4595, 5245, 9190, 10490, 18380, 20980, 964031, 1928062, 3856124, 4820155, 9640310, 19280620]

約数ペア:

[(1, 19280620), (2, 9640310), (4, 4820155), (5, 3856124), (10, 1928062), (20, 964031), (919, 20980), (1049, 18380), (1838, 10490), (2098, 9190), (3676, 5245), (4196, 4595)]