17980622

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{229}}^1$

素因数の和:368

約数の個数: 32

約数和(自身を含む): 30602880

約数和(自身を除く): 12622258

約数列:

[1, 2, 11, 22, 43, 83, 86, 166, 229, 458, 473, 913, 946, 1826, 2519, 3569, 5038, 7138, 9847, 19007, 19694, 38014, 39259, 78518, 108317, 209077, 216634, 418154, 817301, 1634602, 8990311, 17980622]

約数ペア:

[(1, 17980622), (2, 8990311), (11, 1634602), (22, 817301), (43, 418154), (83, 216634), (86, 209077), (166, 108317), (229, 78518), (458, 39259), (473, 38014), (913, 19694), (946, 19007), (1826, 9847), (2519, 7138), (3569, 5038)]