18107128

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{4049}}^1$

素因数の和:4111

約数の個数: 32

約数和(自身を含む): 37422000

約数和(自身を除く): 19314872

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 104, 172, 344, 559, 1118, 2236, 4049, 4472, 8098, 16196, 32392, 52637, 105274, 174107, 210548, 348214, 421096, 696428, 1392856, 2263391, 4526782, 9053564, 18107128]

約数ペア:

[(1, 18107128), (2, 9053564), (4, 4526782), (8, 2263391), (13, 1392856), (26, 696428), (43, 421096), (52, 348214), (86, 210548), (104, 174107), (172, 105274), (344, 52637), (559, 32392), (1118, 16196), (2236, 8098), (4049, 4472)]