19309648

素因数分解:

$2^4\times {\mathrm{107}}^1\times {\mathrm{11279}}^1$

素因数の和:11394

約数の個数: 20

約数和(自身を含む): 37765440

約数和(自身を除く): 18455792

約数列:

[1, 2, 4, 8, 16, 107, 214, 428, 856, 1712, 11279, 22558, 45116, 90232, 180464, 1206853, 2413706, 4827412, 9654824, 19309648]

約数ペア:

[(1, 19309648), (2, 9654824), (4, 4827412), (8, 2413706), (16, 1206853), (107, 180464), (214, 90232), (428, 45116), (856, 22558), (1712, 11279)]