19660047

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{757}}^1\times {\mathrm{787}}^1$

素因数の和:1558

約数の個数: 16

約数和(自身を含む): 28670592

約数和(自身を除く): 9010545

約数列:

[1, 3, 11, 33, 757, 787, 2271, 2361, 8327, 8657, 24981, 25971, 595759, 1787277, 6553349, 19660047]

約数ペア:

[(1, 19660047), (3, 6553349), (11, 1787277), (33, 595759), (757, 25971), (787, 24981), (2271, 8657), (2361, 8327)]