19862969

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{1447}}^1$

素因数の和:1544

約数の個数: 16

約数和(自身を含む): 23770368

約数和(自身を除く): 3907399

約数列:

[1, 7, 37, 53, 259, 371, 1447, 1961, 10129, 13727, 53539, 76691, 374773, 536837, 2837567, 19862969]

約数ペア:

[(1, 19862969), (7, 2837567), (37, 536837), (53, 374773), (259, 76691), (371, 53539), (1447, 13727), (1961, 10129)]