18023840

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{887}}^1$

素因数の和:1029

約数の個数: 48

約数和(自身を含む): 42964992

約数和(自身を除く): 24941152

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 887, 1016, 1270, 1774, 2032, 2540, 3548, 4064, 4435, 5080, 7096, 8870, 10160, 14192, 17740, 20320, 28384, 35480, 70960, 112649, 141920, 225298, 450596, 563245, 901192, 1126490, 1802384, 2252980, 3604768, 4505960, 9011920, 18023840]

約数ペア:

[(1, 18023840), (2, 9011920), (4, 4505960), (5, 3604768), (8, 2252980), (10, 1802384), (16, 1126490), (20, 901192), (32, 563245), (40, 450596), (80, 225298), (127, 141920), (160, 112649), (254, 70960), (508, 35480), (635, 28384), (887, 20320), (1016, 17740), (1270, 14192), (1774, 10160), (2032, 8870), (2540, 7096), (3548, 5080), (4064, 4435)]