19747899

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{1913}}^1$

素因数の和:1987

約数の個数: 24

約数和(自身を含む): 30256512

約数和(自身を除く): 10508613

約数列:

[1, 3, 9, 31, 37, 93, 111, 279, 333, 1147, 1913, 3441, 5739, 10323, 17217, 59303, 70781, 177909, 212343, 533727, 637029, 2194211, 6582633, 19747899]

約数ペア:

[(1, 19747899), (3, 6582633), (9, 2194211), (31, 637029), (37, 533727), (93, 212343), (111, 177909), (279, 70781), (333, 59303), (1147, 17217), (1913, 10323), (3441, 5739)]