18475407

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{997}}^1$

素因数の和:1103

約数の個数: 24

約数和(自身を含む): 28023840

約数和(自身を除く): 9548433

約数列:

[1, 3, 9, 29, 71, 87, 213, 261, 639, 997, 2059, 2991, 6177, 8973, 18531, 28913, 70787, 86739, 212361, 260217, 637083, 2052823, 6158469, 18475407]

約数ペア:

[(1, 18475407), (3, 6158469), (9, 2052823), (29, 637083), (71, 260217), (87, 212361), (213, 86739), (261, 70787), (639, 28913), (997, 18531), (2059, 8973), (2991, 6177)]