19108509

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{577}}^1$

素因数の和:689

約数の個数: 32

約数和(自身を含む): 31073280

約数和(自身を除く): 11964771

約数列:

[1, 3, 7, 19, 21, 57, 83, 133, 249, 399, 577, 581, 1577, 1731, 1743, 4039, 4731, 10963, 11039, 12117, 32889, 33117, 47891, 76741, 143673, 230223, 335237, 909929, 1005711, 2729787, 6369503, 19108509]

約数ペア:

[(1, 19108509), (3, 6369503), (7, 2729787), (19, 1005711), (21, 909929), (57, 335237), (83, 230223), (133, 143673), (249, 76741), (399, 47891), (577, 33117), (581, 32889), (1577, 12117), (1731, 11039), (1743, 10963), (4039, 4731)]