19297873

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{631}}^1$

素因数の和:912

約数の個数: 16

約数和(自身を含む): 23480064

約数和(自身を除く): 4182191

約数列:

[1, 7, 17, 119, 257, 631, 1799, 4369, 4417, 10727, 30583, 75089, 162167, 1135169, 2756839, 19297873]

約数ペア:

[(1, 19297873), (7, 2756839), (17, 1135169), (119, 162167), (257, 75089), (631, 30583), (1799, 10727), (4369, 4417)]