19017790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{2083}}^1$

素因数の和:2184

約数の個数: 32

約数和(自身を含む): 37812096

約数和(自身を除く): 18794306

約数列:

[1, 2, 5, 10, 11, 22, 55, 83, 110, 166, 415, 830, 913, 1826, 2083, 4166, 4565, 9130, 10415, 20830, 22913, 45826, 114565, 172889, 229130, 345778, 864445, 1728890, 1901779, 3803558, 9508895, 19017790]

約数ペア:

[(1, 19017790), (2, 9508895), (5, 3803558), (10, 1901779), (11, 1728890), (22, 864445), (55, 345778), (83, 229130), (110, 172889), (166, 114565), (415, 45826), (830, 22913), (913, 20830), (1826, 10415), (2083, 9130), (4166, 4565)]