18020212

素因数分解:

$2^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{12143}}^1$

素因数の和:12207

約数の個数: 24

約数和(自身を含む): 36723456

約数和(自身を除く): 18703244

約数列:

[1, 2, 4, 7, 14, 28, 53, 106, 212, 371, 742, 1484, 12143, 24286, 48572, 85001, 170002, 340004, 643579, 1287158, 2574316, 4505053, 9010106, 18020212]

約数ペア:

[(1, 18020212), (2, 9010106), (4, 4505053), (7, 2574316), (14, 1287158), (28, 643579), (53, 340004), (106, 170002), (212, 85001), (371, 48572), (742, 24286), (1484, 12143)]