1891912

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{21499}}^1$

素因数の和:21516

約数の個数: 16

約数和(自身を含む): 3870000

約数和(自身を除く): 1978088

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 21499, 42998, 85996, 171992, 236489, 472978, 945956, 1891912]

約数ペア:

[(1, 1891912), (2, 945956), (4, 472978), (8, 236489), (11, 171992), (22, 85996), (44, 42998), (88, 21499)]