18009663

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{45137}}^1$

素因数の和:45166

約数の個数: 16

約数和(自身を含む): 28888320

約数和(自身を除く): 10878657

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 45137, 135411, 315959, 857603, 947877, 2572809, 6003221, 18009663]

約数ペア:

[(1, 18009663), (3, 6003221), (7, 2572809), (19, 947877), (21, 857603), (57, 315959), (133, 135411), (399, 45137)]