18878161761

素因数分解:

$3^2\times {\mathrm{127}}^1\times {\mathrm{1231}}^1\times {\mathrm{13417}}^1$

素因数の和:14781

約数の個数: 24

約数和(自身を含む): 27507544064

約数和(自身を除く): 8629382303

約数列:

[1, 3, 9, 127, 381, 1143, 1231, 3693, 11079, 13417, 40251, 120753, 156337, 469011, 1407033, 1703959, 5111877, 15335631, 16516327, 49548981, 148646943, 2097573529, 6292720587, 18878161761]

約数ペア:

[(1, 18878161761), (3, 6292720587), (9, 2097573529), (127, 148646943), (381, 49548981), (1143, 16516327), (1231, 15335631), (3693, 5111877), (11079, 1703959), (13417, 1407033), (40251, 469011), (120753, 156337)]