18619887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43403}}^1$

素因数の和:43430

約数の個数: 16

約数和(自身を含む): 29167488

約数和(自身を除く): 10547601

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 43403, 130209, 477433, 564239, 1432299, 1692717, 6206629, 18619887]

約数ペア:

[(1, 18619887), (3, 6206629), (11, 1692717), (13, 1432299), (33, 564239), (39, 477433), (143, 130209), (429, 43403)]