18815679

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{739}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 29836800

約数和(自身を除く): 11021121

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 369, 621, 739, 943, 1107, 2217, 2829, 6651, 8487, 16997, 19953, 25461, 30299, 50991, 90897, 152973, 272691, 458919, 696877, 818073, 2090631, 6271893, 18815679]

約数ペア:

[(1, 18815679), (3, 6271893), (9, 2090631), (23, 818073), (27, 696877), (41, 458919), (69, 272691), (123, 152973), (207, 90897), (369, 50991), (621, 30299), (739, 25461), (943, 19953), (1107, 16997), (2217, 8487), (2829, 6651)]