19427091

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{409}}^1$

素因数の和:706

約数の個数: 16

約数和(自身を含む): 26449920

約数和(自身を除く): 7022829

約数列:

[1, 3, 71, 213, 223, 409, 669, 1227, 15833, 29039, 47499, 87117, 91207, 273621, 6475697, 19427091]

約数ペア:

[(1, 19427091), (3, 6475697), (71, 273621), (213, 91207), (223, 87117), (409, 47499), (669, 29039), (1227, 15833)]