18733776

素因数分解:

$2^4\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{239}}^1$

素因数の和:344

約数の個数: 80

約数和(自身を含む): 51425280

約数和(自身を除く): 32691504

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 71, 92, 138, 142, 184, 213, 239, 276, 284, 368, 426, 478, 552, 568, 717, 852, 956, 1104, 1136, 1434, 1633, 1704, 1912, 2868, 3266, 3408, 3824, 4899, 5497, 5736, 6532, 9798, 10994, 11472, 13064, 16491, 16969, 19596, 21988, 26128, 32982, 33938, 39192, 43976, 50907, 65964, 67876, 78384, 87952, 101814, 131928, 135752, 203628, 263856, 271504, 390287, 407256, 780574, 814512, 1170861, 1561148, 2341722, 3122296, 4683444, 6244592, 9366888, 18733776]

約数ペア:

[(1, 18733776), (2, 9366888), (3, 6244592), (4, 4683444), (6, 3122296), (8, 2341722), (12, 1561148), (16, 1170861), (23, 814512), (24, 780574), (46, 407256), (48, 390287), (69, 271504), (71, 263856), (92, 203628), (138, 135752), (142, 131928), (184, 101814), (213, 87952), (239, 78384), (276, 67876), (284, 65964), (368, 50907), (426, 43976), (478, 39192), (552, 33938), (568, 32982), (717, 26128), (852, 21988), (956, 19596), (1104, 16969), (1136, 16491), (1434, 13064), (1633, 11472), (1704, 10994), (1912, 9798), (2868, 6532), (3266, 5736), (3408, 5497), (3824, 4899)]