199915790

素因数分解:

$2^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{194093}}^1$

素因数の和:194203

約数の個数: 16

約数和(自身を含む): 363343968

約数和(自身を除く): 163428178

約数列:

[1, 2, 5, 10, 103, 206, 515, 1030, 194093, 388186, 970465, 1940930, 19991579, 39983158, 99957895, 199915790]

約数ペア:

[(1, 199915790), (2, 99957895), (5, 39983158), (10, 19991579), (103, 1940930), (206, 970465), (515, 388186), (1030, 194093)]