19931984

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{54163}}^1$

素因数の和:54194

約数の個数: 20

約数和(自身を含む): 40298016

約数和(自身を除く): 20366032

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 184, 368, 54163, 108326, 216652, 433304, 866608, 1245749, 2491498, 4982996, 9965992, 19931984]

約数ペア:

[(1, 19931984), (2, 9965992), (4, 4982996), (8, 2491498), (16, 1245749), (23, 866608), (46, 433304), (92, 216652), (184, 108326), (368, 54163)]