80321886

素因数分解:

$2^1\times 3^2\times {\mathrm{1993}}^1\times {\mathrm{2239}}^1$

素因数の和:4240

約数の個数: 24

約数和(自身を含む): 174195840

約数和(自身を除く): 93873954

約数列:

[1, 2, 3, 6, 9, 18, 1993, 2239, 3986, 4478, 5979, 6717, 11958, 13434, 17937, 20151, 35874, 40302, 4462327, 8924654, 13386981, 26773962, 40160943, 80321886]

約数ペア:

[(1, 80321886), (2, 40160943), (3, 26773962), (6, 13386981), (9, 8924654), (18, 4462327), (1993, 40302), (2239, 35874), (3986, 20151), (4478, 17937), (5979, 13434), (6717, 11958)]