19470380

素因数分解:

$2^2\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1237}}^1$

素因数の和:2033

約数の個数: 24

約数和(自身を含む): 40972848

約数和(自身を除く): 21502468

約数列:

[1, 2, 4, 5, 10, 20, 787, 1237, 1574, 2474, 3148, 3935, 4948, 6185, 7870, 12370, 15740, 24740, 973519, 1947038, 3894076, 4867595, 9735190, 19470380]

約数ペア:

[(1, 19470380), (2, 9735190), (4, 4867595), (5, 3894076), (10, 1947038), (20, 973519), (787, 24740), (1237, 15740), (1574, 12370), (2474, 7870), (3148, 6185), (3935, 4948)]