18117286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:504

約数の個数: 32

約数和(自身を含む): 31168800

約数和(自身を除く): 13051514

約数列:

[1, 2, 11, 22, 29, 58, 73, 146, 319, 389, 638, 778, 803, 1606, 2117, 4234, 4279, 8558, 11281, 22562, 23287, 28397, 46574, 56794, 124091, 248182, 312367, 624734, 823513, 1647026, 9058643, 18117286]

約数ペア:

[(1, 18117286), (2, 9058643), (11, 1647026), (22, 823513), (29, 624734), (58, 312367), (73, 248182), (146, 124091), (319, 56794), (389, 46574), (638, 28397), (778, 23287), (803, 22562), (1606, 11281), (2117, 8558), (4234, 4279)]