18556779

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1483}}^1$

素因数の和:1626

約数の個数: 16

約数和(自身を含む): 25596032

約数和(自身を除く): 7039253

約数列:

[1, 3, 43, 97, 129, 291, 1483, 4171, 4449, 12513, 63769, 143851, 191307, 431553, 6185593, 18556779]

約数ペア:

[(1, 18556779), (3, 6185593), (43, 431553), (97, 191307), (129, 143851), (291, 63769), (1483, 12513), (4171, 4449)]