19664818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{9803}}^1$

素因数の和:9881

約数の個数: 16

約数和(自身を含む): 31764960

約数和(自身を除く): 12100142

約数列:

[1, 2, 17, 34, 59, 118, 1003, 2006, 9803, 19606, 166651, 333302, 578377, 1156754, 9832409, 19664818]

約数ペア:

[(1, 19664818), (2, 9832409), (17, 1156754), (34, 578377), (59, 333302), (118, 166651), (1003, 19606), (2006, 9803)]