18506456

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1117}}^1$

素因数の和:1251

約数の個数: 32

約数和(自身を含む): 36894000

約数和(自身を除く): 18387544

約数列:

[1, 2, 4, 8, 19, 38, 76, 109, 152, 218, 436, 872, 1117, 2071, 2234, 4142, 4468, 8284, 8936, 16568, 21223, 42446, 84892, 121753, 169784, 243506, 487012, 974024, 2313307, 4626614, 9253228, 18506456]

約数ペア:

[(1, 18506456), (2, 9253228), (4, 4626614), (8, 2313307), (19, 974024), (38, 487012), (76, 243506), (109, 169784), (152, 121753), (218, 84892), (436, 42446), (872, 21223), (1117, 16568), (2071, 8936), (2234, 8284), (4142, 4468)]