18271779

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{787}}^1$

素因数の和:970

約数の個数: 16

約数和(自身を含む): 24963840

約数和(自身を除く): 6692061

約数列:

[1, 3, 71, 109, 213, 327, 787, 2361, 7739, 23217, 55877, 85783, 167631, 257349, 6090593, 18271779]

約数ペア:

[(1, 18271779), (3, 6090593), (71, 257349), (109, 167631), (213, 85783), (327, 55877), (787, 23217), (2361, 7739)]