18159531

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{9907}}^1$

素因数の和:9970

約数の個数: 16

約数和(自身を含む): 26632704

約数和(自身を除く): 8473173

約数列:

[1, 3, 13, 39, 47, 141, 611, 1833, 9907, 29721, 128791, 386373, 465629, 1396887, 6053177, 18159531]

約数ペア:

[(1, 18159531), (3, 6053177), (13, 1396887), (39, 465629), (47, 386373), (141, 128791), (611, 29721), (1833, 9907)]