18308381

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{10589}}^1$

素因数の和:10628

約数の個数: 16

約数和(自身を含む): 23721600

約数和(自身を除く): 5413219

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 10589, 74123, 137657, 201191, 963599, 1408337, 2615483, 18308381]

約数ペア:

[(1, 18308381), (7, 2615483), (13, 1408337), (19, 963599), (91, 201191), (133, 137657), (247, 74123), (1729, 10589)]