19554821

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 24

約数和(自身を含む): 23593824

約数和(自身を除く): 4039003

約数列:

[1, 11, 13, 67, 143, 157, 169, 737, 871, 1727, 1859, 2041, 9581, 10519, 11323, 22451, 26533, 115709, 124553, 136747, 291863, 1504217, 1777711, 19554821]

約数ペア:

[(1, 19554821), (11, 1777711), (13, 1504217), (67, 291863), (143, 136747), (157, 124553), (169, 115709), (737, 26533), (871, 22451), (1727, 11323), (1859, 10519), (2041, 9581)]