19974867

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5657}}^1$

素因数の和:5778

約数の個数: 16

約数和(自身を含む): 29331072

約数和(自身を除く): 9356205

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5657, 16971, 62227, 186681, 605299, 1815897, 6658289, 19974867]

約数ペア:

[(1, 19974867), (3, 6658289), (11, 1815897), (33, 605299), (107, 186681), (321, 62227), (1177, 16971), (3531, 5657)]