18788224

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1613}}^1$

素因数の和:1647

約数の個数: 64

約数和(自身を含む): 46095840

約数和(自身を除く): 27307616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1613, 1664, 2912, 3226, 5824, 6452, 11291, 11648, 12904, 20969, 22582, 25808, 41938, 45164, 51616, 83876, 90328, 103232, 146783, 167752, 180656, 206464, 293566, 335504, 361312, 587132, 671008, 722624, 1174264, 1342016, 1445248, 2348528, 2684032, 4697056, 9394112, 18788224]

約数ペア:

[(1, 18788224), (2, 9394112), (4, 4697056), (7, 2684032), (8, 2348528), (13, 1445248), (14, 1342016), (16, 1174264), (26, 722624), (28, 671008), (32, 587132), (52, 361312), (56, 335504), (64, 293566), (91, 206464), (104, 180656), (112, 167752), (128, 146783), (182, 103232), (208, 90328), (224, 83876), (364, 51616), (416, 45164), (448, 41938), (728, 25808), (832, 22582), (896, 20969), (1456, 12904), (1613, 11648), (1664, 11291), (2912, 6452), (3226, 5824)]