18867608

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{1229}}^1$

素因数の和:1355

約数の個数: 32

約数和(自身を含む): 37638000

約数和(自身を除く): 18770392

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 152, 202, 404, 808, 1229, 1919, 2458, 3838, 4916, 7676, 9832, 15352, 23351, 46702, 93404, 124129, 186808, 248258, 496516, 993032, 2358451, 4716902, 9433804, 18867608]

約数ペア:

[(1, 18867608), (2, 9433804), (4, 4716902), (8, 2358451), (19, 993032), (38, 496516), (76, 248258), (101, 186808), (152, 124129), (202, 93404), (404, 46702), (808, 23351), (1229, 15352), (1919, 9832), (2458, 7676), (3838, 4916)]