19867639

素因数分解:

${\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1021}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 22811040

約数和(自身を除く): 2943401

約数列:

[1, 11, 29, 61, 319, 671, 1021, 1769, 11231, 19459, 29609, 62281, 325699, 685091, 1806149, 19867639]

約数ペア:

[(1, 19867639), (11, 1806149), (29, 685091), (61, 325699), (319, 62281), (671, 29609), (1021, 19459), (1769, 11231)]