18560416

素因数分解:

$2^5\times 7^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:139

約数の個数: 96

約数和(自身を含む): 45360000

約数和(自身を除く): 26799584

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 49, 56, 76, 89, 98, 112, 133, 152, 178, 196, 224, 266, 304, 343, 356, 392, 532, 608, 623, 686, 712, 784, 931, 1064, 1246, 1372, 1424, 1568, 1691, 1862, 2128, 2492, 2744, 2848, 3382, 3724, 4256, 4361, 4984, 5488, 6517, 6764, 7448, 8722, 9968, 10976, 11837, 13034, 13528, 14896, 17444, 19936, 23674, 26068, 27056, 29792, 30527, 34888, 47348, 52136, 54112, 61054, 69776, 82859, 94696, 104272, 122108, 139552, 165718, 189392, 208544, 244216, 331436, 378784, 488432, 580013, 662872, 976864, 1160026, 1325744, 2320052, 2651488, 4640104, 9280208, 18560416]

約数ペア:

[(1, 18560416), (2, 9280208), (4, 4640104), (7, 2651488), (8, 2320052), (14, 1325744), (16, 1160026), (19, 976864), (28, 662872), (32, 580013), (38, 488432), (49, 378784), (56, 331436), (76, 244216), (89, 208544), (98, 189392), (112, 165718), (133, 139552), (152, 122108), (178, 104272), (196, 94696), (224, 82859), (266, 69776), (304, 61054), (343, 54112), (356, 52136), (392, 47348), (532, 34888), (608, 30527), (623, 29792), (686, 27056), (712, 26068), (784, 23674), (931, 19936), (1064, 17444), (1246, 14896), (1372, 13528), (1424, 13034), (1568, 11837), (1691, 10976), (1862, 9968), (2128, 8722), (2492, 7448), (2744, 6764), (2848, 6517), (3382, 5488), (3724, 4984), (4256, 4361)]