18720804

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{67829}}^1$

素因数の和:67859

約数の個数: 24

約数和(自身を含む): 45581760

約数和(自身を除く): 26860956

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 92, 138, 276, 67829, 135658, 203487, 271316, 406974, 813948, 1560067, 3120134, 4680201, 6240268, 9360402, 18720804]

約数ペア:

[(1, 18720804), (2, 9360402), (3, 6240268), (4, 4680201), (6, 3120134), (12, 1560067), (23, 813948), (46, 406974), (69, 271316), (92, 203487), (138, 135658), (276, 67829)]