18669381

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{2579}}^1$

素因数の和:2728

約数の個数: 16

約数和(自身を含む): 26419200

約数和(自身を除く): 7749819

約数列:

[1, 3, 19, 57, 127, 381, 2413, 2579, 7239, 7737, 49001, 147003, 327533, 982599, 6223127, 18669381]

約数ペア:

[(1, 18669381), (3, 6223127), (19, 982599), (57, 327533), (127, 147003), (381, 49001), (2413, 7737), (2579, 7239)]