18709669

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{659}}^1$

素因数の和:788

約数の個数: 16

約数和(自身を含む): 21384000

約数和(自身を除く): 2674331

約数列:

[1, 11, 29, 89, 319, 659, 979, 2581, 7249, 19111, 28391, 58651, 210221, 645161, 1700879, 18709669]

約数ペア:

[(1, 18709669), (11, 1700879), (29, 645161), (89, 210221), (319, 58651), (659, 28391), (979, 19111), (2581, 7249)]