18778084

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{3313}}^1$

素因数の和:3439

約数の個数: 24

約数和(自身を含む): 35724920

約数和(自身を除く): 16946836

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 3313, 5668, 6626, 13252, 43069, 86138, 172276, 361117, 722234, 1444468, 4694521, 9389042, 18778084]

約数ペア:

[(1, 18778084), (2, 9389042), (4, 4694521), (13, 1444468), (26, 722234), (52, 361117), (109, 172276), (218, 86138), (436, 43069), (1417, 13252), (2834, 6626), (3313, 5668)]