18959896

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1279}}^1$

素因数の和:1411

約数の個数: 32

約数和(自身を含む): 38016000

約数和(自身を除く): 19056104

約数列:

[1, 2, 4, 8, 17, 34, 68, 109, 136, 218, 436, 872, 1279, 1853, 2558, 3706, 5116, 7412, 10232, 14824, 21743, 43486, 86972, 139411, 173944, 278822, 557644, 1115288, 2369987, 4739974, 9479948, 18959896]

約数ペア:

[(1, 18959896), (2, 9479948), (4, 4739974), (8, 2369987), (17, 1115288), (34, 557644), (68, 278822), (109, 173944), (136, 139411), (218, 86972), (436, 43486), (872, 21743), (1279, 14824), (1853, 10232), (2558, 7412), (3706, 5116)]