18450656

素因数分解:

$2^5\times 7^3\times {\mathrm{41}}^2$

素因数の和:113

約数の個数: 72

約数和(自身を含む): 43419600

約数和(自身を除く): 24968944

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 41, 49, 56, 82, 98, 112, 164, 196, 224, 287, 328, 343, 392, 574, 656, 686, 784, 1148, 1312, 1372, 1568, 1681, 2009, 2296, 2744, 3362, 4018, 4592, 5488, 6724, 8036, 9184, 10976, 11767, 13448, 14063, 16072, 23534, 26896, 28126, 32144, 47068, 53792, 56252, 64288, 82369, 94136, 112504, 164738, 188272, 225008, 329476, 376544, 450016, 576583, 658952, 1153166, 1317904, 2306332, 2635808, 4612664, 9225328, 18450656]

約数ペア:

[(1, 18450656), (2, 9225328), (4, 4612664), (7, 2635808), (8, 2306332), (14, 1317904), (16, 1153166), (28, 658952), (32, 576583), (41, 450016), (49, 376544), (56, 329476), (82, 225008), (98, 188272), (112, 164738), (164, 112504), (196, 94136), (224, 82369), (287, 64288), (328, 56252), (343, 53792), (392, 47068), (574, 32144), (656, 28126), (686, 26896), (784, 23534), (1148, 16072), (1312, 14063), (1372, 13448), (1568, 11767), (1681, 10976), (2009, 9184), (2296, 8036), (2744, 6724), (3362, 5488), (4018, 4592)]