18582704

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1999}}^1$

素因数の和:2097

約数の個数: 40

約数和(自身を含む): 41664000

約数和(自身を除く): 23081296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 1999, 2324, 3998, 4648, 7996, 9296, 13993, 15992, 27986, 31984, 55972, 111944, 165917, 223888, 331834, 663668, 1161419, 1327336, 2322838, 2654672, 4645676, 9291352, 18582704]

約数ペア:

[(1, 18582704), (2, 9291352), (4, 4645676), (7, 2654672), (8, 2322838), (14, 1327336), (16, 1161419), (28, 663668), (56, 331834), (83, 223888), (112, 165917), (166, 111944), (332, 55972), (581, 31984), (664, 27986), (1162, 15992), (1328, 13993), (1999, 9296), (2324, 7996), (3998, 4648)]