19756528

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{112253}}^1$

素因数の和:112272

約数の個数: 20

約数和(自身を含む): 41758488

約数和(自身を除く): 22001960

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 112253, 224506, 449012, 898024, 1234783, 1796048, 2469566, 4939132, 9878264, 19756528]

約数ペア:

[(1, 19756528), (2, 9878264), (4, 4939132), (8, 2469566), (11, 1796048), (16, 1234783), (22, 898024), (44, 449012), (88, 224506), (176, 112253)]