18854913

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{2633}}^1$

素因数の和:2685

約数の個数: 32

約数和(自身を含む): 32366592

約数和(自身を除く): 13511679

約数列:

[1, 3, 7, 11, 21, 31, 33, 77, 93, 217, 231, 341, 651, 1023, 2387, 2633, 7161, 7899, 18431, 28963, 55293, 81623, 86889, 202741, 244869, 571361, 608223, 897853, 1714083, 2693559, 6284971, 18854913]

約数ペア:

[(1, 18854913), (3, 6284971), (7, 2693559), (11, 1714083), (21, 897853), (31, 608223), (33, 571361), (77, 244869), (93, 202741), (217, 86889), (231, 81623), (341, 55293), (651, 28963), (1023, 18431), (2387, 7899), (2633, 7161)]