18135405

素因数分解:

$3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21211}}^1$

素因数の和:21241

約数の個数: 24

約数和(自身を含む): 33090720

約数和(自身を除く): 14955315

約数列:

[1, 3, 5, 9, 15, 19, 45, 57, 95, 171, 285, 855, 21211, 63633, 106055, 190899, 318165, 403009, 954495, 1209027, 2015045, 3627081, 6045135, 18135405]

約数ペア:

[(1, 18135405), (3, 6045135), (5, 3627081), (9, 2015045), (15, 1209027), (19, 954495), (45, 403009), (57, 318165), (95, 190899), (171, 106055), (285, 63633), (855, 21211)]