18993506

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{991}}^1$

素因数の和:1074

約数の個数: 24

約数和(自身を含む): 33497856

約数和(自身を除く): 14504350

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 991, 1369, 1982, 2738, 6937, 9583, 13874, 19166, 36667, 73334, 256669, 513338, 1356679, 2713358, 9496753, 18993506]

約数ペア:

[(1, 18993506), (2, 9496753), (7, 2713358), (14, 1356679), (37, 513338), (74, 256669), (259, 73334), (518, 36667), (991, 19166), (1369, 13874), (1982, 9583), (2738, 6937)]