18623553

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{613}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 28882560

約数和(自身を除く): 10259007

約数列:

[1, 3, 13, 19, 39, 41, 57, 123, 247, 533, 613, 741, 779, 1599, 1839, 2337, 7969, 10127, 11647, 23907, 25133, 30381, 34941, 75399, 151411, 326729, 454233, 477527, 980187, 1432581, 6207851, 18623553]

約数ペア:

[(1, 18623553), (3, 6207851), (13, 1432581), (19, 980187), (39, 477527), (41, 454233), (57, 326729), (123, 151411), (247, 75399), (533, 34941), (613, 30381), (741, 25133), (779, 23907), (1599, 11647), (1839, 10127), (2337, 7969)]