18873764

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2772

約数の個数: 48

約数和(自身を含む): 42806400

約数和(自身を除く): 23932636

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 52, 76, 91, 133, 182, 247, 266, 364, 494, 532, 988, 1729, 2729, 3458, 5458, 6916, 10916, 19103, 35477, 38206, 51851, 70954, 76412, 103702, 141908, 207404, 248339, 362957, 496678, 674063, 725914, 993356, 1348126, 1451828, 2696252, 4718441, 9436882, 18873764]

約数ペア:

[(1, 18873764), (2, 9436882), (4, 4718441), (7, 2696252), (13, 1451828), (14, 1348126), (19, 993356), (26, 725914), (28, 674063), (38, 496678), (52, 362957), (76, 248339), (91, 207404), (133, 141908), (182, 103702), (247, 76412), (266, 70954), (364, 51851), (494, 38206), (532, 35477), (988, 19103), (1729, 10916), (2729, 6916), (3458, 5458)]