19838995

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{15683}}^1$

素因数の和:15722

約数の個数: 16

約数和(自身を含む): 27101952

約数和(自身を除く): 7262957

約数列:

[1, 5, 11, 23, 55, 115, 253, 1265, 15683, 78415, 172513, 360709, 862565, 1803545, 3967799, 19838995]

約数ペア:

[(1, 19838995), (5, 3967799), (11, 1803545), (23, 862565), (55, 360709), (115, 172513), (253, 78415), (1265, 15683)]