18764577

素因数分解:

$3^2\times {\mathrm{13}}^4\times {\mathrm{73}}^1$

素因数の和:131

約数の個数: 30

約数和(自身を含む): 29765242

約数和(自身を除く): 11000665

約数列:

[1, 3, 9, 13, 39, 73, 117, 169, 219, 507, 657, 949, 1521, 2197, 2847, 6591, 8541, 12337, 19773, 28561, 37011, 85683, 111033, 160381, 257049, 481143, 1443429, 2084953, 6254859, 18764577]

約数ペア:

[(1, 18764577), (3, 6254859), (9, 2084953), (13, 1443429), (39, 481143), (73, 257049), (117, 160381), (169, 111033), (219, 85683), (507, 37011), (657, 28561), (949, 19773), (1521, 12337), (2197, 8541), (2847, 6591)]