19968533

素因数分解:

${\mathrm{13}}^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1$

素因数の和:249

約数の個数: 16

約数和(自身を含む): 22134000

約数和(自身を除く): 2165467

約数列:

[1, 13, 61, 149, 169, 793, 1937, 2197, 9089, 10309, 25181, 118157, 134017, 327353, 1536041, 19968533]

約数ペア:

[(1, 19968533), (13, 1536041), (61, 327353), (149, 134017), (169, 118157), (793, 25181), (1937, 10309), (2197, 9089)]