19007937

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{12497}}^1$

素因数の和:12529

約数の個数: 18

約数和(自身を含む): 29732742

約数和(自身を除く): 10724805

約数列:

[1, 3, 9, 13, 39, 117, 169, 507, 1521, 12497, 37491, 112473, 162461, 487383, 1462149, 2111993, 6335979, 19007937]

約数ペア:

[(1, 19007937), (3, 6335979), (9, 2111993), (13, 1462149), (39, 487383), (117, 162461), (169, 112473), (507, 37491), (1521, 12497)]