199485940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{524963}}^1$

素因数の和:524991

約数の個数: 24

約数和(自身を含む): 440969760

約数和(自身を除く): 241483820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 524963, 1049926, 2099852, 2624815, 5249630, 9974297, 10499260, 19948594, 39897188, 49871485, 99742970, 199485940]

約数ペア:

[(1, 199485940), (2, 99742970), (4, 49871485), (5, 39897188), (10, 19948594), (19, 10499260), (20, 9974297), (38, 5249630), (76, 2624815), (95, 2099852), (190, 1049926), (380, 524963)]