18693639

素因数分解:

$3^3\times {\mathrm{47}}^1\times {\mathrm{14731}}^1$

素因数の和:14787

約数の個数: 16

約数和(自身を含む): 28285440

約数和(自身を除く): 9591801

約数列:

[1, 3, 9, 27, 47, 141, 423, 1269, 14731, 44193, 132579, 397737, 692357, 2077071, 6231213, 18693639]

約数ペア:

[(1, 18693639), (3, 6231213), (9, 2077071), (27, 692357), (47, 397737), (141, 132579), (423, 44193), (1269, 14731)]