19872441

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{719}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 29877120

約数和(自身を除く): 10004679

約数列:

[1, 3, 9, 37, 83, 111, 249, 333, 719, 747, 2157, 3071, 6471, 9213, 26603, 27639, 59677, 79809, 179031, 239427, 537093, 2208049, 6624147, 19872441]

約数ペア:

[(1, 19872441), (3, 6624147), (9, 2208049), (37, 537093), (83, 239427), (111, 179031), (249, 79809), (333, 59677), (719, 27639), (747, 26603), (2157, 9213), (3071, 6471)]