18470984

素因数分解:

$2^3\times 7^1\times {\mathrm{499}}^1\times {\mathrm{661}}^1$

素因数の和:1173

約数の個数: 32

約数和(自身を含む): 39720000

約数和(自身を除く): 21249016

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 499, 661, 998, 1322, 1996, 2644, 3493, 3992, 4627, 5288, 6986, 9254, 13972, 18508, 27944, 37016, 329839, 659678, 1319356, 2308873, 2638712, 4617746, 9235492, 18470984]

約数ペア:

[(1, 18470984), (2, 9235492), (4, 4617746), (7, 2638712), (8, 2308873), (14, 1319356), (28, 659678), (56, 329839), (499, 37016), (661, 27944), (998, 18508), (1322, 13972), (1996, 9254), (2644, 6986), (3493, 5288), (3992, 4627)]