18038391

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{853}}^1$

素因数の和:935

約数の個数: 32

約数和(自身を含む): 29514240

約数和(自身を除く): 11475849

約数列:

[1, 3, 7, 19, 21, 53, 57, 133, 159, 371, 399, 853, 1007, 1113, 2559, 3021, 5971, 7049, 16207, 17913, 21147, 45209, 48621, 113449, 135627, 316463, 340347, 858971, 949389, 2576913, 6012797, 18038391]

約数ペア:

[(1, 18038391), (3, 6012797), (7, 2576913), (19, 949389), (21, 858971), (53, 340347), (57, 316463), (133, 135627), (159, 113449), (371, 48621), (399, 45209), (853, 21147), (1007, 17913), (1113, 16207), (2559, 7049), (3021, 5971)]