18161493

素因数分解:

$3^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{4481}}^1$

素因数の和:4684

約数の個数: 16

約数和(自身を含む): 27824256

約数和(自身を除く): 9662763

約数列:

[1, 3, 7, 21, 193, 579, 1351, 4053, 4481, 13443, 31367, 94101, 864833, 2594499, 6053831, 18161493]

約数ペア:

[(1, 18161493), (3, 6053831), (7, 2594499), (21, 864833), (193, 94101), (579, 31367), (1351, 13443), (4053, 4481)]