20180490906

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{806381}}^1$

素因数の和:806526

約数の個数: 32

約数和(自身を含む): 41725430208

約数和(自身を除く): 21544939302

約数列:

[1, 2, 3, 6, 43, 86, 97, 129, 194, 258, 291, 582, 4171, 8342, 12513, 25026, 806381, 1612762, 2419143, 4838286, 34674383, 69348766, 78218957, 104023149, 156437914, 208046298, 234656871, 469313742, 3363415151, 6726830302, 10090245453, 20180490906]

約数ペア:

[(1, 20180490906), (2, 10090245453), (3, 6726830302), (6, 3363415151), (43, 469313742), (86, 234656871), (97, 208046298), (129, 156437914), (194, 104023149), (258, 78218957), (291, 69348766), (582, 34674383), (4171, 4838286), (8342, 2419143), (12513, 1612762), (25026, 806381)]