18388539

素因数分解:

$3^5\times {\mathrm{13}}^1\times {\mathrm{5821}}^1$

素因数の和:5849

約数の個数: 24

約数和(自身を含む): 29668912

約数和(自身を除く): 11280373

約数列:

[1, 3, 9, 13, 27, 39, 81, 117, 243, 351, 1053, 3159, 5821, 17463, 52389, 75673, 157167, 227019, 471501, 681057, 1414503, 2043171, 6129513, 18388539]

約数ペア:

[(1, 18388539), (3, 6129513), (9, 2043171), (13, 1414503), (27, 681057), (39, 471501), (81, 227019), (117, 157167), (243, 75673), (351, 52389), (1053, 17463), (3159, 5821)]