19481902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{709}}^1\times {\mathrm{1249}}^1$

素因数の和:1971

約数の個数: 16

約数和(自身を含む): 31950000

約数和(自身を除く): 12468098

約数列:

[1, 2, 11, 22, 709, 1249, 1418, 2498, 7799, 13739, 15598, 27478, 885541, 1771082, 9740951, 19481902]

約数ペア:

[(1, 19481902), (2, 9740951), (11, 1771082), (22, 885541), (709, 27478), (1249, 15598), (1418, 13739), (2498, 7799)]