18896999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{233}}^1$

素因数の和:418

約数の個数: 16

約数和(自身を含む): 21194784

約数和(自身を除く): 2297785

約数列:

[1, 11, 73, 101, 233, 803, 1111, 2563, 7373, 17009, 23533, 81103, 187099, 258863, 1717909, 18896999]

約数ペア:

[(1, 18896999), (11, 1717909), (73, 258863), (101, 187099), (233, 81103), (803, 23533), (1111, 17009), (2563, 7373)]