18182259

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{23}}^2\times {\mathrm{67}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 30083200

約数和(自身を除く): 11900941

約数列:

[1, 3, 9, 19, 23, 27, 57, 67, 69, 171, 201, 207, 437, 513, 529, 603, 621, 1273, 1311, 1541, 1587, 1809, 3819, 3933, 4623, 4761, 10051, 11457, 11799, 13869, 14283, 29279, 30153, 34371, 35443, 41607, 87837, 90459, 106329, 263511, 271377, 318987, 673417, 790533, 956961, 2020251, 6060753, 18182259]

約数ペア:

[(1, 18182259), (3, 6060753), (9, 2020251), (19, 956961), (23, 790533), (27, 673417), (57, 318987), (67, 271377), (69, 263511), (171, 106329), (201, 90459), (207, 87837), (437, 41607), (513, 35443), (529, 34371), (603, 30153), (621, 29279), (1273, 14283), (1311, 13869), (1541, 11799), (1587, 11457), (1809, 10051), (3819, 4761), (3933, 4623)]