18767806

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{1997}}^1$

素因数の和:2163

約数の個数: 16

約数和(自身を含む): 29154816

約数和(自身を除く): 10387010

約数列:

[1, 2, 37, 74, 127, 254, 1997, 3994, 4699, 9398, 73889, 147778, 253619, 507238, 9383903, 18767806]

約数ペア:

[(1, 18767806), (2, 9383903), (37, 507238), (74, 253619), (127, 147778), (254, 73889), (1997, 9398), (3994, 4699)]