19388079

素因数分解:

$3^4\times {\mathrm{107}}^1\times {\mathrm{2237}}^1$

素因数の和:2356

約数の個数: 20

約数和(自身を含む): 29246184

約数和(自身を除く): 9858105

約数列:

[1, 3, 9, 27, 81, 107, 321, 963, 2237, 2889, 6711, 8667, 20133, 60399, 181197, 239359, 718077, 2154231, 6462693, 19388079]

約数ペア:

[(1, 19388079), (3, 6462693), (9, 2154231), (27, 718077), (81, 239359), (107, 181197), (321, 60399), (963, 20133), (2237, 8667), (2889, 6711)]