19497147

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{431}}^1\times {\mathrm{887}}^1$

素因数の和:1338

約数の個数: 16

約数和(自身を含む): 27620352

約数和(自身を除く): 8123205

約数列:

[1, 3, 17, 51, 431, 887, 1293, 2661, 7327, 15079, 21981, 45237, 382297, 1146891, 6499049, 19497147]

約数ペア:

[(1, 19497147), (3, 6499049), (17, 1146891), (51, 382297), (431, 45237), (887, 21981), (1293, 15079), (2661, 7327)]