19739091

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1109}}^1$

素因数の和:1478

約数の個数: 16

約数和(自身を含む): 27972000

約数和(自身を除く): 8232909

約数列:

[1, 3, 17, 51, 349, 1047, 1109, 3327, 5933, 17799, 18853, 56559, 387041, 1161123, 6579697, 19739091]

約数ペア:

[(1, 19739091), (3, 6579697), (17, 1161123), (51, 387041), (349, 56559), (1047, 18853), (1109, 17799), (3327, 5933)]