19939964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{453181}}^1$

素因数の和:453196

約数の個数: 12

約数和(自身を含む): 38067288

約数和(自身を除く): 18127324

約数列:

[1, 2, 4, 11, 22, 44, 453181, 906362, 1812724, 4984991, 9969982, 19939964]

約数ペア:

[(1, 19939964), (2, 9969982), (4, 4984991), (11, 1812724), (22, 906362), (44, 453181)]