18573849

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 32947200

約数和(自身を除く): 14373351

約数列:

[1, 3, 7, 9, 19, 21, 57, 59, 63, 133, 171, 177, 263, 399, 413, 531, 789, 1121, 1197, 1239, 1841, 2367, 3363, 3717, 4997, 5523, 7847, 10089, 14991, 15517, 16569, 23541, 34979, 44973, 46551, 70623, 104937, 108619, 139653, 294823, 314811, 325857, 884469, 977571, 2063761, 2653407, 6191283, 18573849]

約数ペア:

[(1, 18573849), (3, 6191283), (7, 2653407), (9, 2063761), (19, 977571), (21, 884469), (57, 325857), (59, 314811), (63, 294823), (133, 139653), (171, 108619), (177, 104937), (263, 70623), (399, 46551), (413, 44973), (531, 34979), (789, 23541), (1121, 16569), (1197, 15517), (1239, 14991), (1841, 10089), (2367, 7847), (3363, 5523), (3717, 4997)]