18186723

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:435

約数の個数: 24

約数和(自身を含む): 26997776

約数和(自身を除く): 8811053

約数列:

[1, 3, 9, 61, 157, 183, 211, 471, 549, 633, 1413, 1899, 9577, 12871, 28731, 33127, 38613, 86193, 99381, 115839, 298143, 2020747, 6062241, 18186723]

約数ペア:

[(1, 18186723), (3, 6062241), (9, 2020747), (61, 298143), (157, 115839), (183, 99381), (211, 86193), (471, 38613), (549, 33127), (633, 28731), (1413, 12871), (1899, 9577)]