18821001

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5413}}^1$

素因数の和:5496

約数の個数: 16

約数和(自身を含む): 26853440

約数和(自身を除く): 8032439

約数列:

[1, 3, 19, 57, 61, 183, 1159, 3477, 5413, 16239, 102847, 308541, 330193, 990579, 6273667, 18821001]

約数ペア:

[(1, 18821001), (3, 6273667), (19, 990579), (57, 330193), (61, 308541), (183, 102847), (1159, 16239), (3477, 5413)]