18970329

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:381

約数の個数: 32

約数和(自身を含む): 29998080

約数和(自身を除く): 11027751

約数列:

[1, 3, 7, 21, 59, 61, 177, 183, 251, 413, 427, 753, 1239, 1281, 1757, 3599, 5271, 10797, 14809, 15311, 25193, 44427, 45933, 75579, 103663, 107177, 310989, 321531, 903349, 2710047, 6323443, 18970329]

約数ペア:

[(1, 18970329), (3, 6323443), (7, 2710047), (21, 903349), (59, 321531), (61, 310989), (177, 107177), (183, 103663), (251, 75579), (413, 45933), (427, 44427), (753, 25193), (1239, 15311), (1281, 14809), (1757, 10797), (3599, 5271)]