19669144

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2213}}^1$

素因数の和:2331

約数の個数: 32

約数和(自身を含む): 40649040

約数和(自身を除く): 20979896

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 101, 202, 404, 808, 1111, 2213, 2222, 4426, 4444, 8852, 8888, 17704, 24343, 48686, 97372, 194744, 223513, 447026, 894052, 1788104, 2458643, 4917286, 9834572, 19669144]

約数ペア:

[(1, 19669144), (2, 9834572), (4, 4917286), (8, 2458643), (11, 1788104), (22, 894052), (44, 447026), (88, 223513), (101, 194744), (202, 97372), (404, 48686), (808, 24343), (1111, 17704), (2213, 8888), (2222, 8852), (4426, 4444)]