18018378

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:712

約数の個数: 72

約数和(自身を含む): 46949760

約数和(自身を除く): 28931382

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 49, 62, 63, 93, 98, 126, 147, 186, 217, 279, 294, 434, 441, 558, 651, 659, 882, 1302, 1318, 1519, 1953, 1977, 3038, 3906, 3954, 4557, 4613, 5931, 9114, 9226, 11862, 13671, 13839, 20429, 27342, 27678, 32291, 40858, 41517, 61287, 64582, 83034, 96873, 122574, 143003, 183861, 193746, 286006, 290619, 367722, 429009, 581238, 858018, 1001021, 1287027, 2002042, 2574054, 3003063, 6006126, 9009189, 18018378]

約数ペア:

[(1, 18018378), (2, 9009189), (3, 6006126), (6, 3003063), (7, 2574054), (9, 2002042), (14, 1287027), (18, 1001021), (21, 858018), (31, 581238), (42, 429009), (49, 367722), (62, 290619), (63, 286006), (93, 193746), (98, 183861), (126, 143003), (147, 122574), (186, 96873), (217, 83034), (279, 64582), (294, 61287), (434, 41517), (441, 40858), (558, 32291), (651, 27678), (659, 27342), (882, 20429), (1302, 13839), (1318, 13671), (1519, 11862), (1953, 9226), (1977, 9114), (3038, 5931), (3906, 4613), (3954, 4557)]