1820972

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:521

約数の個数: 24

約数和(自身を含む): 3437280

約数和(自身を除く): 1616308

約数列:

[1, 2, 4, 17, 34, 61, 68, 122, 244, 439, 878, 1037, 1756, 2074, 4148, 7463, 14926, 26779, 29852, 53558, 107116, 455243, 910486, 1820972]

約数ペア:

[(1, 1820972), (2, 910486), (4, 455243), (17, 107116), (34, 53558), (61, 29852), (68, 26779), (122, 14926), (244, 7463), (439, 4148), (878, 2074), (1037, 1756)]