18253816

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{4591}}^1$

素因数の和:4675

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 21421064

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 4591, 9182, 18364, 32137, 36728, 64274, 128548, 257096, 325961, 651922, 1303844, 2281727, 2607688, 4563454, 9126908, 18253816]

約数ペア:

[(1, 18253816), (2, 9126908), (4, 4563454), (7, 2607688), (8, 2281727), (14, 1303844), (28, 651922), (56, 325961), (71, 257096), (142, 128548), (284, 64274), (497, 36728), (568, 32137), (994, 18364), (1988, 9182), (3976, 4591)]