12421786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{1999}}^1$

素因数の和:2253

約数の個数: 16

約数和(自身を含む): 20160000

約数和(自身を除く): 7738214

約数列:

[1, 2, 13, 26, 239, 478, 1999, 3107, 3998, 6214, 25987, 51974, 477761, 955522, 6210893, 12421786]

約数ペア:

[(1, 12421786), (2, 6210893), (13, 955522), (26, 477761), (239, 51974), (478, 25987), (1999, 6214), (3107, 3998)]