18894381

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{5351}}^1$

素因数の和:5472

約数の個数: 16

約数和(自身を含む): 27744768

約数和(自身を除く): 8850387

約数列:

[1, 3, 11, 33, 107, 321, 1177, 3531, 5351, 16053, 58861, 176583, 572557, 1717671, 6298127, 18894381]

約数ペア:

[(1, 18894381), (3, 6298127), (11, 1717671), (33, 572557), (107, 176583), (321, 58861), (1177, 16053), (3531, 5351)]