19484186

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1\times {\mathrm{643}}^1$

素因数の和:893

約数の個数: 16

約数和(自身を含む): 29752800

約数和(自身を除く): 10268614

約数列:

[1, 2, 109, 139, 218, 278, 643, 1286, 15151, 30302, 70087, 89377, 140174, 178754, 9742093, 19484186]

約数ペア:

[(1, 19484186), (2, 9742093), (109, 178754), (139, 140174), (218, 89377), (278, 70087), (643, 30302), (1286, 15151)]