16909578

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3121}}^1$

素因数の和:3179

約数の個数: 48

約数和(自身を含む): 42858816

約数和(自身を除く): 25949238

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 3121, 5418, 6242, 9363, 18726, 21847, 28089, 43694, 56178, 65541, 131082, 134203, 196623, 268406, 393246, 402609, 805218, 939421, 1207827, 1878842, 2415654, 2818263, 5636526, 8454789, 16909578]

約数ペア:

[(1, 16909578), (2, 8454789), (3, 5636526), (6, 2818263), (7, 2415654), (9, 1878842), (14, 1207827), (18, 939421), (21, 805218), (42, 402609), (43, 393246), (63, 268406), (86, 196623), (126, 134203), (129, 131082), (258, 65541), (301, 56178), (387, 43694), (602, 28089), (774, 21847), (903, 18726), (1806, 9363), (2709, 6242), (3121, 5418)]