19215797

素因数分解:

${\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{271}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 21111552

約数和(自身を除く): 1895755

約数列:

[1, 17, 43, 97, 271, 731, 1649, 4171, 4607, 11653, 26287, 70907, 198101, 446879, 1130341, 19215797]

約数ペア:

[(1, 19215797), (17, 1130341), (43, 446879), (97, 198101), (271, 70907), (731, 26287), (1649, 11653), (4171, 4607)]