18979326

素因数分解:

$2^1\times 3^3\times {\mathrm{351469}}^1$

素因数の和:351480

約数の個数: 16

約数和(自身を含む): 42176400

約数和(自身を除く): 23197074

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 351469, 702938, 1054407, 2108814, 3163221, 6326442, 9489663, 18979326]

約数ペア:

[(1, 18979326), (2, 9489663), (3, 6326442), (6, 3163221), (9, 2108814), (18, 1054407), (27, 702938), (54, 351469)]