17988714

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43451}}^1$

素因数の和:43482

約数の個数: 24

約数和(自身を含む): 40671072

約数和(自身を除く): 22682358

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 43451, 86902, 130353, 260706, 391059, 782118, 999373, 1998746, 2998119, 5996238, 8994357, 17988714]

約数ペア:

[(1, 17988714), (2, 8994357), (3, 5996238), (6, 2998119), (9, 1998746), (18, 999373), (23, 782118), (46, 391059), (69, 260706), (138, 130353), (207, 86902), (414, 43451)]