19429389

素因数分解:

$3^4\times 7^1\times {\mathrm{34267}}^1$

素因数の和:34286

約数の個数: 20

約数和(自身を含む): 33171424

約数和(自身を除く): 13742035

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 567, 34267, 102801, 239869, 308403, 719607, 925209, 2158821, 2775627, 6476463, 19429389]

約数ペア:

[(1, 19429389), (3, 6476463), (7, 2775627), (9, 2158821), (21, 925209), (27, 719607), (63, 308403), (81, 239869), (189, 102801), (567, 34267)]