19756233

素因数分解:

$3^2\times 7^1\times {\mathrm{557}}^1\times {\mathrm{563}}^1$

素因数の和:1133

約数の個数: 24

約数和(自身を含む): 32730048

約数和(自身を除く): 12973815

約数列:

[1, 3, 7, 9, 21, 63, 557, 563, 1671, 1689, 3899, 3941, 5013, 5067, 11697, 11823, 35091, 35469, 313591, 940773, 2195137, 2822319, 6585411, 19756233]

約数ペア:

[(1, 19756233), (3, 6585411), (7, 2822319), (9, 2195137), (21, 940773), (63, 313591), (557, 35469), (563, 35091), (1671, 11823), (1689, 11697), (3899, 5067), (3941, 5013)]