18778166

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:149

約数の個数: 64

約数和(自身を含む): 35458560

約数和(自身を除く): 16680394

約数列:

[1, 2, 11, 17, 22, 23, 34, 37, 46, 59, 74, 118, 187, 253, 374, 391, 407, 506, 629, 649, 782, 814, 851, 1003, 1258, 1298, 1357, 1702, 2006, 2183, 2714, 4301, 4366, 6919, 8602, 9361, 11033, 13838, 14467, 14927, 18722, 22066, 23069, 24013, 28934, 29854, 37111, 46138, 48026, 50209, 74222, 100418, 159137, 253759, 318274, 408221, 507518, 552299, 816442, 853553, 1104598, 1707106, 9389083, 18778166]

約数ペア:

[(1, 18778166), (2, 9389083), (11, 1707106), (17, 1104598), (22, 853553), (23, 816442), (34, 552299), (37, 507518), (46, 408221), (59, 318274), (74, 253759), (118, 159137), (187, 100418), (253, 74222), (374, 50209), (391, 48026), (407, 46138), (506, 37111), (629, 29854), (649, 28934), (782, 24013), (814, 23069), (851, 22066), (1003, 18722), (1258, 14927), (1298, 14467), (1357, 13838), (1702, 11033), (2006, 9361), (2183, 8602), (2714, 6919), (4301, 4366)]