18020835

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3011}}^1$

素因数の和:3048

約数の個数: 48

約数和(自身を含む): 37589760

約数和(自身を除く): 19568925

約数列:

[1, 3, 5, 7, 9, 15, 19, 21, 35, 45, 57, 63, 95, 105, 133, 171, 285, 315, 399, 665, 855, 1197, 1995, 3011, 5985, 9033, 15055, 21077, 27099, 45165, 57209, 63231, 105385, 135495, 171627, 189693, 286045, 316155, 400463, 514881, 858135, 948465, 1201389, 2002315, 2574405, 3604167, 6006945, 18020835]

約数ペア:

[(1, 18020835), (3, 6006945), (5, 3604167), (7, 2574405), (9, 2002315), (15, 1201389), (19, 948465), (21, 858135), (35, 514881), (45, 400463), (57, 316155), (63, 286045), (95, 189693), (105, 171627), (133, 135495), (171, 105385), (285, 63231), (315, 57209), (399, 45165), (665, 27099), (855, 21077), (1197, 15055), (1995, 9033), (3011, 5985)]