17991258

素因数分解:

$2^1\times 3^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{269}}^1$

素因数の和:502

約数の個数: 32

約数和(自身を含む): 36858240

約数和(自身を除く): 18866982

約数列:

[1, 2, 3, 6, 71, 142, 157, 213, 269, 314, 426, 471, 538, 807, 942, 1614, 11147, 19099, 22294, 33441, 38198, 42233, 57297, 66882, 84466, 114594, 126699, 253398, 2998543, 5997086, 8995629, 17991258]

約数ペア:

[(1, 17991258), (2, 8995629), (3, 5997086), (6, 2998543), (71, 253398), (142, 126699), (157, 114594), (213, 84466), (269, 66882), (314, 57297), (426, 42233), (471, 38198), (538, 33441), (807, 22294), (942, 19099), (1614, 11147)]