19221956

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1181}}^1$

素因数の和:1511

約数の個数: 24

約数和(自身を含む): 36372504

約数和(自身を除く): 17150548

約数列:

[1, 2, 4, 13, 26, 52, 313, 626, 1181, 1252, 2362, 4069, 4724, 8138, 15353, 16276, 30706, 61412, 369653, 739306, 1478612, 4805489, 9610978, 19221956]

約数ペア:

[(1, 19221956), (2, 9610978), (4, 4805489), (13, 1478612), (26, 739306), (52, 369653), (313, 61412), (626, 30706), (1181, 16276), (1252, 15353), (2362, 8138), (4069, 4724)]