18263961

素因数分解:

$3^4\times {\mathrm{463}}^1\times {\mathrm{487}}^1$

素因数の和:962

約数の個数: 20

約数和(自身を含む): 27398272

約数和(自身を除く): 9134311

約数列:

[1, 3, 9, 27, 81, 463, 487, 1389, 1461, 4167, 4383, 12501, 13149, 37503, 39447, 225481, 676443, 2029329, 6087987, 18263961]

約数ペア:

[(1, 18263961), (3, 6087987), (9, 2029329), (27, 676443), (81, 225481), (463, 39447), (487, 37503), (1389, 13149), (1461, 12501), (4167, 4383)]