18355449

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 48

約数和(自身を含む): 30533760

約数和(自身を除く): 12178311

約数列:

[1, 3, 7, 21, 23, 49, 61, 69, 89, 147, 161, 183, 267, 427, 483, 623, 1127, 1281, 1403, 1869, 2047, 2989, 3381, 4209, 4361, 5429, 6141, 8967, 9821, 13083, 14329, 16287, 29463, 38003, 42987, 68747, 100303, 114009, 124867, 206241, 266021, 300909, 374601, 798063, 874069, 2622207, 6118483, 18355449]

約数ペア:

[(1, 18355449), (3, 6118483), (7, 2622207), (21, 874069), (23, 798063), (49, 374601), (61, 300909), (69, 266021), (89, 206241), (147, 124867), (161, 114009), (183, 100303), (267, 68747), (427, 42987), (483, 38003), (623, 29463), (1127, 16287), (1281, 14329), (1403, 13083), (1869, 9821), (2047, 8967), (2989, 6141), (3381, 5429), (4209, 4361)]