18204286

素因数分解:

$2^1\times {\mathrm{29}}^2\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:276

約数の個数: 24

約数和(自身を含む): 28847520

約数和(自身を除く): 10643234

約数列:

[1, 2, 29, 58, 79, 137, 158, 274, 841, 1682, 2291, 3973, 4582, 7946, 10823, 21646, 66439, 115217, 132878, 230434, 313867, 627734, 9102143, 18204286]

約数ペア:

[(1, 18204286), (2, 9102143), (29, 627734), (58, 313867), (79, 230434), (137, 132878), (158, 115217), (274, 66439), (841, 21646), (1682, 10823), (2291, 7946), (3973, 4582)]