19361920

素因数分解:

$2^7\times 5^1\times {\mathrm{30253}}^1$

素因数の和:30272

約数の個数: 32

約数和(自身を含む): 46288620

約数和(自身を除く): 26926700

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 30253, 60506, 121012, 151265, 242024, 302530, 484048, 605060, 968096, 1210120, 1936192, 2420240, 3872384, 4840480, 9680960, 19361920]

約数ペア:

[(1, 19361920), (2, 9680960), (4, 4840480), (5, 3872384), (8, 2420240), (10, 1936192), (16, 1210120), (20, 968096), (32, 605060), (40, 484048), (64, 302530), (80, 242024), (128, 151265), (160, 121012), (320, 60506), (640, 30253)]