18078975

素因数分解:

$3^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{4229}}^1$

素因数の和:4264

約数の個数: 36

約数和(自身を含む): 34093800

約数和(自身を除く): 16014825

約数列:

[1, 3, 5, 9, 15, 19, 25, 45, 57, 75, 95, 171, 225, 285, 475, 855, 1425, 4229, 4275, 12687, 21145, 38061, 63435, 80351, 105725, 190305, 241053, 317175, 401755, 723159, 951525, 1205265, 2008775, 3615795, 6026325, 18078975]

約数ペア:

[(1, 18078975), (3, 6026325), (5, 3615795), (9, 2008775), (15, 1205265), (19, 951525), (25, 723159), (45, 401755), (57, 317175), (75, 241053), (95, 190305), (171, 105725), (225, 80351), (285, 63435), (475, 38061), (855, 21145), (1425, 12687), (4229, 4275)]