18527985

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{449}}^1$

素因数の和:598

約数の個数: 48

約数和(自身を含む): 37065600

約数和(自身を除く): 18537615

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 131, 315, 393, 449, 655, 917, 1179, 1347, 1965, 2245, 2751, 3143, 4041, 4585, 5895, 6735, 8253, 9429, 13755, 15715, 20205, 28287, 41265, 47145, 58819, 141435, 176457, 294095, 411733, 529371, 882285, 1235199, 2058665, 2646855, 3705597, 6175995, 18527985]

約数ペア:

[(1, 18527985), (3, 6175995), (5, 3705597), (7, 2646855), (9, 2058665), (15, 1235199), (21, 882285), (35, 529371), (45, 411733), (63, 294095), (105, 176457), (131, 141435), (315, 58819), (393, 47145), (449, 41265), (655, 28287), (917, 20205), (1179, 15715), (1347, 13755), (1965, 9429), (2245, 8253), (2751, 6735), (3143, 5895), (4041, 4585)]