20181255

素因数分解:

$3^1\times 5^1\times {\mathrm{863}}^1\times {\mathrm{1559}}^1$

素因数の和:2430

約数の個数: 16

約数和(自身を含む): 32348160

約数和(自身を除く): 12166905

約数列:

[1, 3, 5, 15, 863, 1559, 2589, 4315, 4677, 7795, 12945, 23385, 1345417, 4036251, 6727085, 20181255]

約数ペア:

[(1, 20181255), (3, 6727085), (5, 4036251), (15, 1345417), (863, 23385), (1559, 12945), (2589, 7795), (4315, 4677)]