18966885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5827}}^1$

素因数の和:5873

約数の個数: 32

約数和(自身を含む): 35807232

約数和(自身を除く): 16840347

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 5827, 17481, 29135, 40789, 87405, 122367, 180637, 203945, 541911, 611835, 903185, 1264459, 2709555, 3793377, 6322295, 18966885]

約数ペア:

[(1, 18966885), (3, 6322295), (5, 3793377), (7, 2709555), (15, 1264459), (21, 903185), (31, 611835), (35, 541911), (93, 203945), (105, 180637), (155, 122367), (217, 87405), (465, 40789), (651, 29135), (1085, 17481), (3255, 5827)]