18940041

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{18959}}^1$

素因数の和:19005

約数の個数: 16

約数和(自身を含む): 28819200

約数和(自身を除く): 9879159

約数列:

[1, 3, 9, 27, 37, 111, 333, 999, 18959, 56877, 170631, 511893, 701483, 2104449, 6313347, 18940041]

約数ペア:

[(1, 18940041), (3, 6313347), (9, 2104449), (27, 701483), (37, 511893), (111, 170631), (333, 56877), (999, 18959)]