18460989

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{2297}}^1$

素因数の和:2369

約数の個数: 24

約数和(自身を含む): 28679040

約数和(自身を除く): 10218051

約数列:

[1, 3, 9, 19, 47, 57, 141, 171, 423, 893, 2297, 2679, 6891, 8037, 20673, 43643, 107959, 130929, 323877, 392787, 971631, 2051221, 6153663, 18460989]

約数ペア:

[(1, 18460989), (3, 6153663), (9, 2051221), (19, 971631), (47, 392787), (57, 323877), (141, 130929), (171, 107959), (423, 43643), (893, 20673), (2297, 8037), (2679, 6891)]