18977306

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{1249}}^1$

素因数の和:1429

約数の個数: 16

約数和(自身を含む): 29160000

約数和(自身を除く): 10182694

約数列:

[1, 2, 71, 107, 142, 214, 1249, 2498, 7597, 15194, 88679, 133643, 177358, 267286, 9488653, 18977306]

約数ペア:

[(1, 18977306), (2, 9488653), (71, 267286), (107, 177358), (142, 133643), (214, 88679), (1249, 15194), (2498, 7597)]