18668111

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 24772608

約数和(自身を除く): 6104497

約数列:

[1, 7, 11, 23, 77, 83, 127, 161, 253, 581, 889, 913, 1397, 1771, 1909, 2921, 6391, 9779, 10541, 13363, 20447, 20999, 32131, 73787, 115951, 146993, 224917, 242443, 811657, 1697101, 2666873, 18668111]

約数ペア:

[(1, 18668111), (7, 2666873), (11, 1697101), (23, 811657), (77, 242443), (83, 224917), (127, 146993), (161, 115951), (253, 73787), (581, 32131), (889, 20999), (913, 20447), (1397, 13363), (1771, 10541), (1909, 9779), (2921, 6391)]