17938459

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{1447}}^1$

素因数の和:1495

約数の個数: 24

約数和(自身を含む): 23770368

約数和(自身を除く): 5831909

約数列:

[1, 7, 11, 23, 49, 77, 161, 253, 539, 1127, 1447, 1771, 10129, 12397, 15917, 33281, 70903, 111419, 232967, 366091, 779933, 1630769, 2562637, 17938459]

約数ペア:

[(1, 17938459), (7, 2562637), (11, 1630769), (23, 779933), (49, 366091), (77, 232967), (161, 111419), (253, 70903), (539, 33281), (1127, 15917), (1447, 12397), (1771, 10129)]