20180454

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{827}}^1$

素因数の和:929

約数の個数: 48

約数和(自身を含む): 47573568

約数和(自身を除く): 27393114

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 83, 98, 147, 166, 249, 294, 498, 581, 827, 1162, 1654, 1743, 2481, 3486, 4067, 4962, 5789, 8134, 11578, 12201, 17367, 24402, 34734, 40523, 68641, 81046, 121569, 137282, 205923, 243138, 411846, 480487, 960974, 1441461, 2882922, 3363409, 6726818, 10090227, 20180454]

約数ペア:

[(1, 20180454), (2, 10090227), (3, 6726818), (6, 3363409), (7, 2882922), (14, 1441461), (21, 960974), (42, 480487), (49, 411846), (83, 243138), (98, 205923), (147, 137282), (166, 121569), (249, 81046), (294, 68641), (498, 40523), (581, 34734), (827, 24402), (1162, 17367), (1654, 12201), (1743, 11578), (2481, 8134), (3486, 5789), (4067, 4962)]