18742064

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1283}}^1$

素因数の和:1385

約数の個数: 40

約数和(自身を含む): 40122432

約数和(自身を除く): 21380368

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 83, 88, 166, 176, 332, 664, 913, 1283, 1328, 1826, 2566, 3652, 5132, 7304, 10264, 14113, 14608, 20528, 28226, 56452, 106489, 112904, 212978, 225808, 425956, 851912, 1171379, 1703824, 2342758, 4685516, 9371032, 18742064]

約数ペア:

[(1, 18742064), (2, 9371032), (4, 4685516), (8, 2342758), (11, 1703824), (16, 1171379), (22, 851912), (44, 425956), (83, 225808), (88, 212978), (166, 112904), (176, 106489), (332, 56452), (664, 28226), (913, 20528), (1283, 14608), (1328, 14113), (1826, 10264), (2566, 7304), (3652, 5132)]