18320085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{3061}}^1$

素因数の和:3098

約数の個数: 48

約数和(自身を含む): 38213760

約数和(自身を除く): 19893675

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, 3061, 5985, 9183, 15305, 21427, 27549, 45915, 58159, 64281, 107135, 137745, 174477, 192843, 290795, 321405, 407113, 523431, 872385, 964215, 1221339, 2035565, 2617155, 3664017, 6106695, 18320085]

約数ペア:

[(1, 18320085), (3, 6106695), (5, 3664017), (7, 2617155), (9, 2035565), (15, 1221339), (19, 964215), (21, 872385), (35, 523431), (45, 407113), (57, 321405), (63, 290795), (95, 192843), (105, 174477), (133, 137745), (171, 107135), (285, 64281), (315, 58159), (399, 45915), (665, 27549), (855, 21427), (1197, 15305), (1995, 9183), (3061, 5985)]