19017229

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{257}}^1$

素因数の和:337

約数の個数: 24

約数和(自身を含む): 24594624

約数和(自身を除く): 5577395

約数列:

[1, 7, 11, 31, 77, 217, 257, 341, 961, 1799, 2387, 2827, 6727, 7967, 10571, 19789, 55769, 73997, 87637, 246977, 613459, 1728839, 2716747, 19017229]

約数ペア:

[(1, 19017229), (7, 2716747), (11, 1728839), (31, 613459), (77, 246977), (217, 87637), (257, 73997), (341, 55769), (961, 19789), (1799, 10571), (2387, 7967), (2827, 6727)]