18666873

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{631}}^1$

素因数の和:829

約数の個数: 24

約数和(自身を含む): 28591680

約数和(自身を除く): 9924807

約数列:

[1, 3, 9, 19, 57, 171, 173, 519, 631, 1557, 1893, 3287, 5679, 9861, 11989, 29583, 35967, 107901, 109163, 327489, 982467, 2074097, 6222291, 18666873]

約数ペア:

[(1, 18666873), (3, 6222291), (9, 2074097), (19, 982467), (57, 327489), (171, 109163), (173, 107901), (519, 35967), (631, 29583), (1557, 11989), (1893, 9861), (3287, 5679)]