19356513

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{191}}^1$

素因数の和:325

約数の個数: 32

約数和(自身を含む): 29417472

約数和(自身を除く): 10060959

約数列:

[1, 3, 11, 33, 37, 83, 111, 191, 249, 407, 573, 913, 1221, 2101, 2739, 3071, 6303, 7067, 9213, 15853, 21201, 33781, 47559, 77737, 101343, 174383, 233211, 523149, 586561, 1759683, 6452171, 19356513]

約数ペア:

[(1, 19356513), (3, 6452171), (11, 1759683), (33, 586561), (37, 523149), (83, 233211), (111, 174383), (191, 101343), (249, 77737), (407, 47559), (573, 33781), (913, 21201), (1221, 15853), (2101, 9213), (2739, 7067), (3071, 6303)]