18089969180

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{123853}}^1$

素因数の和:124038

約数の個数: 48

約数和(自身を含む): 38909972640

約数和(自身を除く): 20820003460

約数列:

[1, 2, 4, 5, 10, 20, 67, 109, 134, 218, 268, 335, 436, 545, 670, 1090, 1340, 2180, 7303, 14606, 29212, 36515, 73030, 123853, 146060, 247706, 495412, 619265, 1238530, 2477060, 8298151, 13499977, 16596302, 26999954, 33192604, 41490755, 53999908, 67499885, 82981510, 134999770, 165963020, 269999540, 904498459, 1808996918, 3617993836, 4522492295, 9044984590, 18089969180]

約数ペア:

[(1, 18089969180), (2, 9044984590), (4, 4522492295), (5, 3617993836), (10, 1808996918), (20, 904498459), (67, 269999540), (109, 165963020), (134, 134999770), (218, 82981510), (268, 67499885), (335, 53999908), (436, 41490755), (545, 33192604), (670, 26999954), (1090, 16596302), (1340, 13499977), (2180, 8298151), (7303, 2477060), (14606, 1238530), (29212, 619265), (36515, 495412), (73030, 247706), (123853, 146060)]