19058249

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 22686720

約数和(自身を除く): 3628471

約数列:

[1, 7, 29, 203, 223, 421, 1561, 2947, 6467, 12209, 45269, 85463, 93883, 657181, 2722607, 19058249]

約数ペア:

[(1, 19058249), (7, 2722607), (29, 657181), (203, 93883), (223, 85463), (421, 45269), (1561, 12209), (2947, 6467)]