20181538

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{373}}^1\times {\mathrm{2081}}^1$

素因数の和:2469

約数の個数: 16

約数和(自身を含む): 32704056

約数和(自身を除く): 12522518

約数列:

[1, 2, 13, 26, 373, 746, 2081, 4162, 4849, 9698, 27053, 54106, 776213, 1552426, 10090769, 20181538]

約数ペア:

[(1, 20181538), (2, 10090769), (13, 1552426), (26, 776213), (373, 54106), (746, 27053), (2081, 9698), (4162, 4849)]