18731904972809

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{667494743}}^1$

素因数の和:667494980

約数の個数: 16

約数和(自身を含む): 22641421716480

約数和(自身を除く): 3909516743671

約数列:

[1, 7, 19, 133, 211, 1477, 4009, 28063, 667494743, 4672463201, 12682400117, 88776800819, 140841390773, 985889735411, 2675986424687, 18731904972809]

約数ペア:

[(1, 18731904972809), (7, 2675986424687), (19, 985889735411), (133, 140841390773), (211, 88776800819), (1477, 12682400117), (4009, 4672463201), (28063, 667494743)]