18721632

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 52496640

約数和(自身を除く): 33775008

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 61, 69, 92, 96, 122, 138, 139, 183, 184, 244, 276, 278, 366, 368, 417, 488, 552, 556, 732, 736, 834, 976, 1104, 1112, 1403, 1464, 1668, 1952, 2208, 2224, 2806, 2928, 3197, 3336, 4209, 4448, 5612, 5856, 6394, 6672, 8418, 8479, 9591, 11224, 12788, 13344, 16836, 16958, 19182, 22448, 25437, 25576, 33672, 33916, 38364, 44896, 50874, 51152, 67344, 67832, 76728, 101748, 102304, 134688, 135664, 153456, 195017, 203496, 271328, 306912, 390034, 406992, 585051, 780068, 813984, 1170102, 1560136, 2340204, 3120272, 4680408, 6240544, 9360816, 18721632]

約数ペア:

[(1, 18721632), (2, 9360816), (3, 6240544), (4, 4680408), (6, 3120272), (8, 2340204), (12, 1560136), (16, 1170102), (23, 813984), (24, 780068), (32, 585051), (46, 406992), (48, 390034), (61, 306912), (69, 271328), (92, 203496), (96, 195017), (122, 153456), (138, 135664), (139, 134688), (183, 102304), (184, 101748), (244, 76728), (276, 67832), (278, 67344), (366, 51152), (368, 50874), (417, 44896), (488, 38364), (552, 33916), (556, 33672), (732, 25576), (736, 25437), (834, 22448), (976, 19182), (1104, 16958), (1112, 16836), (1403, 13344), (1464, 12788), (1668, 11224), (1952, 9591), (2208, 8479), (2224, 8418), (2806, 6672), (2928, 6394), (3197, 5856), (3336, 5612), (4209, 4448)]