18933945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{54881}}^1$

素因数の和:54912

約数の個数: 16

約数和(自身を含む): 31612032

約数和(自身を除く): 12678087

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 54881, 164643, 274405, 823215, 1262263, 3786789, 6311315, 18933945]

約数ペア:

[(1, 18933945), (3, 6311315), (5, 3786789), (15, 1262263), (23, 823215), (69, 274405), (115, 164643), (345, 54881)]