19732219

素因数分解:

${\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:390

約数の個数: 16

約数和(自身を含む): 21873600

約数和(自身を除く): 2141381

約数列:

[1, 13, 61, 149, 167, 793, 1937, 2171, 9089, 10187, 24883, 118157, 132431, 323479, 1517863, 19732219]

約数ペア:

[(1, 19732219), (13, 1517863), (61, 323479), (149, 132431), (167, 118157), (793, 24883), (1937, 10187), (2171, 9089)]