19138889

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{14621}}^1$

素因数の和:14656

約数の個数: 16

約数和(自身を含む): 25266816

約数和(自身を除く): 6127927

約数列:

[1, 7, 11, 17, 77, 119, 187, 1309, 14621, 102347, 160831, 248557, 1125817, 1739899, 2734127, 19138889]

約数ペア:

[(1, 19138889), (7, 2734127), (11, 1739899), (17, 1125817), (77, 248557), (119, 160831), (187, 102347), (1309, 14621)]