2018149796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{400109}}^1$

素因数の和:400223

約数の個数: 24

約数和(自身を含む): 3842656440

約数和(自身を除く): 1824506644

約数列:

[1, 2, 4, 13, 26, 52, 97, 194, 388, 1261, 2522, 5044, 400109, 800218, 1600436, 5201417, 10402834, 20805668, 38810573, 77621146, 155242292, 504537449, 1009074898, 2018149796]

約数ペア:

[(1, 2018149796), (2, 1009074898), (4, 504537449), (13, 155242292), (26, 77621146), (52, 38810573), (97, 20805668), (194, 10402834), (388, 5201417), (1261, 1600436), (2522, 800218), (5044, 400109)]