19209764

素因数分解:

$2^2\times 7^2\times {\mathrm{98009}}^1$

素因数の和:98027

約数の個数: 18

約数和(自身を含む): 39105990

約数和(自身を除く): 19896226

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 98009, 196018, 392036, 686063, 1372126, 2744252, 4802441, 9604882, 19209764]

約数ペア:

[(1, 19209764), (2, 9604882), (4, 4802441), (7, 2744252), (14, 1372126), (28, 686063), (49, 392036), (98, 196018), (196, 98009)]