18201656879

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{4759}}^1$

素因数の和:5127

約数の個数: 32

約数和(自身を含む): 22162560000

約数和(自身を除く): 3960903121

約数列:

[1, 7, 19, 133, 149, 193, 1043, 1351, 2831, 3667, 4759, 19817, 25669, 28757, 33313, 90421, 201299, 546383, 632947, 709091, 918487, 3824681, 4963637, 6429409, 13472729, 17451253, 94309103, 122158771, 136854563, 957981941, 2600236697, 18201656879]

約数ペア:

[(1, 18201656879), (7, 2600236697), (19, 957981941), (133, 136854563), (149, 122158771), (193, 94309103), (1043, 17451253), (1351, 13472729), (2831, 6429409), (3667, 4963637), (4759, 3824681), (19817, 918487), (25669, 709091), (28757, 632947), (33313, 546383), (90421, 201299)]