18641519

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{251}}^1$

素因数の和:490

約数の個数: 16

約数和(自身を含む): 20956320

約数和(自身を除く): 2314801

約数列:

[1, 13, 29, 197, 251, 377, 2561, 3263, 5713, 7279, 49447, 74269, 94627, 642811, 1433963, 18641519]

約数ペア:

[(1, 18641519), (13, 1433963), (29, 642811), (197, 94627), (251, 74269), (377, 49447), (2561, 7279), (3263, 5713)]