15920036

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{1999}}^1$

素因数の和:2195

約数の個数: 24

約数和(自身を含む): 30576000

約数和(自身を除く): 14655964

約数列:

[1, 2, 4, 11, 22, 44, 181, 362, 724, 1991, 1999, 3982, 3998, 7964, 7996, 21989, 43978, 87956, 361819, 723638, 1447276, 3980009, 7960018, 15920036]

約数ペア:

[(1, 15920036), (2, 7960018), (4, 3980009), (11, 1447276), (22, 723638), (44, 361819), (181, 87956), (362, 43978), (724, 21989), (1991, 7996), (1999, 7964), (3982, 3998)]