39995209

素因数分解:

${\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1$

素因数の和:420

約数の個数: 16

約数和(自身を含む): 43130880

約数和(自身を除く): 3135671

約数列:

[1, 19, 103, 107, 191, 1957, 2033, 3629, 11021, 19673, 20437, 209399, 373787, 388303, 2105011, 39995209]

約数ペア:

[(1, 39995209), (19, 2105011), (103, 388303), (107, 373787), (191, 209399), (1957, 20437), (2033, 19673), (3629, 11021)]