19955716

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{5741}}^1$

素因数の和:5835

約数の個数: 24

約数和(自身を含む): 38586240

約数和(自身を除く): 18630524

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 316, 869, 1738, 3476, 5741, 11482, 22964, 63151, 126302, 252604, 453539, 907078, 1814156, 4988929, 9977858, 19955716]

約数ペア:

[(1, 19955716), (2, 9977858), (4, 4988929), (11, 1814156), (22, 907078), (44, 453539), (79, 252604), (158, 126302), (316, 63151), (869, 22964), (1738, 11482), (3476, 5741)]