18879469

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{2689}}^1$

素因数の和:2772

約数の個数: 16

約数和(自身を含む): 23241600

約数和(自身を除く): 4362131

約数列:

[1, 7, 17, 59, 119, 413, 1003, 2689, 7021, 18823, 45713, 158651, 319991, 1110557, 2697067, 18879469]

約数ペア:

[(1, 18879469), (7, 2697067), (17, 1110557), (59, 319991), (119, 158651), (413, 45713), (1003, 18823), (2689, 7021)]