18257085

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{479}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 39836160

約数和(自身を除く): 21579075

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 33, 35, 45, 55, 63, 77, 99, 105, 121, 165, 231, 315, 363, 385, 479, 495, 605, 693, 847, 1089, 1155, 1437, 1815, 2395, 2541, 3353, 3465, 4235, 4311, 5269, 5445, 7185, 7623, 10059, 12705, 15807, 16765, 21555, 26345, 30177, 36883, 38115, 47421, 50295, 57959, 79035, 110649, 150885, 173877, 184415, 237105, 289795, 331947, 405713, 521631, 553245, 869385, 1217139, 1659735, 2028565, 2608155, 3651417, 6085695, 18257085]

約数ペア:

[(1, 18257085), (3, 6085695), (5, 3651417), (7, 2608155), (9, 2028565), (11, 1659735), (15, 1217139), (21, 869385), (33, 553245), (35, 521631), (45, 405713), (55, 331947), (63, 289795), (77, 237105), (99, 184415), (105, 173877), (121, 150885), (165, 110649), (231, 79035), (315, 57959), (363, 50295), (385, 47421), (479, 38115), (495, 36883), (605, 30177), (693, 26345), (847, 21555), (1089, 16765), (1155, 15807), (1437, 12705), (1815, 10059), (2395, 7623), (2541, 7185), (3353, 5445), (3465, 5269), (4235, 4311)]