19836201

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2061

約数の個数: 32

約数和(自身を含む): 33758208

約数和(自身を除く): 13922007

約数列:

[1, 3, 7, 11, 21, 33, 43, 77, 129, 231, 301, 473, 903, 1419, 1997, 3311, 5991, 9933, 13979, 21967, 41937, 65901, 85871, 153769, 257613, 461307, 601097, 944581, 1803291, 2833743, 6612067, 19836201]

約数ペア:

[(1, 19836201), (3, 6612067), (7, 2833743), (11, 1803291), (21, 944581), (33, 601097), (43, 461307), (77, 257613), (129, 153769), (231, 85871), (301, 65901), (473, 41937), (903, 21967), (1419, 13979), (1997, 9933), (3311, 5991)]