19681123

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{11113}}^1$

素因数の和:11154

約数の個数: 16

約数和(自身を含む): 25606656

約数和(自身を除く): 5925533

約数列:

[1, 7, 11, 23, 77, 161, 253, 1771, 11113, 77791, 122243, 255599, 855701, 1789193, 2811589, 19681123]

約数ペア:

[(1, 19681123), (7, 2811589), (11, 1789193), (23, 855701), (77, 255599), (161, 122243), (253, 77791), (1771, 11113)]