19693456

素因数分解:

$2^4\times {\mathrm{503}}^1\times {\mathrm{2447}}^1$

素因数の和:2958

約数の個数: 20

約数和(自身を含む): 38247552

約数和(自身を除く): 18554096

約数列:

[1, 2, 4, 8, 16, 503, 1006, 2012, 2447, 4024, 4894, 8048, 9788, 19576, 39152, 1230841, 2461682, 4923364, 9846728, 19693456]

約数ペア:

[(1, 19693456), (2, 9846728), (4, 4923364), (8, 2461682), (16, 1230841), (503, 39152), (1006, 19576), (2012, 9788), (2447, 8048), (4024, 4894)]