19983441

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{4391}}^1$

素因数の和:4472

約数の個数: 16

約数和(自身を含む): 28038528

約数和(自身を除く): 8055087

約数列:

[1, 3, 37, 41, 111, 123, 1517, 4391, 4551, 13173, 162467, 180031, 487401, 540093, 6661147, 19983441]

約数ペア:

[(1, 19983441), (3, 6661147), (37, 540093), (41, 487401), (111, 180031), (123, 162467), (1517, 13173), (4391, 4551)]