19292399

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{727}}^1$

素因数の和:974

約数の個数: 16

約数和(自身を含む): 23482368

約数和(自身を除く): 4189969

約数列:

[1, 7, 17, 119, 223, 727, 1561, 3791, 5089, 12359, 26537, 86513, 162121, 1134847, 2756057, 19292399]

約数ペア:

[(1, 19292399), (7, 2756057), (17, 1134847), (119, 162121), (223, 86513), (727, 26537), (1561, 12359), (3791, 5089)]