20180957027

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{372817}}^1$

素因数の和:372891

約数の個数: 32

約数和(自身を含む): 27200801280

約数和(自身を除く): 7019844253

約数列:

[1, 7, 11, 19, 37, 77, 133, 209, 259, 407, 703, 1463, 2849, 4921, 7733, 54131, 372817, 2609719, 4100987, 7083523, 13794229, 28706909, 49584661, 77918753, 96559603, 151736519, 262090351, 545431271, 1062155633, 1834632457, 2882993861, 20180957027]

約数ペア:

[(1, 20180957027), (7, 2882993861), (11, 1834632457), (19, 1062155633), (37, 545431271), (77, 262090351), (133, 151736519), (209, 96559603), (259, 77918753), (407, 49584661), (703, 28706909), (1463, 13794229), (2849, 7083523), (4921, 4100987), (7733, 2609719), (54131, 372817)]