20181963

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2311}}^1$

素因数の和:2426

約数の個数: 16

約数和(自身を含む): 27965952

約数和(自身を除く): 7783989

約数列:

[1, 3, 41, 71, 123, 213, 2311, 2911, 6933, 8733, 94751, 164081, 284253, 492243, 6727321, 20181963]

約数ペア:

[(1, 20181963), (3, 6727321), (41, 492243), (71, 284253), (123, 164081), (213, 94751), (2311, 8733), (2911, 6933)]