19945016

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{27397}}^1$

素因数の和:27423

約数の個数: 32

約数和(自身を含む): 46028640

約数和(自身を除く): 26083624

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 27397, 54794, 109588, 191779, 219176, 356161, 383558, 712322, 767116, 1424644, 1534232, 2493127, 2849288, 4986254, 9972508, 19945016]

約数ペア:

[(1, 19945016), (2, 9972508), (4, 4986254), (7, 2849288), (8, 2493127), (13, 1534232), (14, 1424644), (26, 767116), (28, 712322), (52, 383558), (56, 356161), (91, 219176), (104, 191779), (182, 109588), (364, 54794), (728, 27397)]