18860973

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1439}}^1$

素因数の和:1716

約数の個数: 16

約数和(自身を含む): 26749440

約数和(自身を除く): 7888467

約数列:

[1, 3, 17, 51, 257, 771, 1439, 4317, 4369, 13107, 24463, 73389, 369823, 1109469, 6286991, 18860973]

約数ペア:

[(1, 18860973), (3, 6286991), (17, 1109469), (51, 369823), (257, 73389), (771, 24463), (1439, 13107), (4317, 4369)]