18492021

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{673}}^1$

素因数の和:793

約数の個数: 24

約数和(自身を含む): 27758016

約数和(自身を除く): 9265995

約数列:

[1, 3, 9, 43, 71, 129, 213, 387, 639, 673, 2019, 3053, 6057, 9159, 27477, 28939, 47783, 86817, 143349, 260451, 430047, 2054669, 6164007, 18492021]

約数ペア:

[(1, 18492021), (3, 6164007), (9, 2054669), (43, 430047), (71, 260451), (129, 143349), (213, 86817), (387, 47783), (639, 28939), (673, 27477), (2019, 9159), (3053, 6057)]