18526740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4349}}^1$

素因数の和:4432

約数の個数: 48

約数和(自身を含む): 52617600

約数和(自身を除く): 34090860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 4349, 8698, 13047, 17396, 21745, 26094, 43490, 52188, 65235, 86980, 130470, 260940, 308779, 617558, 926337, 1235116, 1543895, 1852674, 3087790, 3705348, 4631685, 6175580, 9263370, 18526740]

約数ペア:

[(1, 18526740), (2, 9263370), (3, 6175580), (4, 4631685), (5, 3705348), (6, 3087790), (10, 1852674), (12, 1543895), (15, 1235116), (20, 926337), (30, 617558), (60, 308779), (71, 260940), (142, 130470), (213, 86980), (284, 65235), (355, 52188), (426, 43490), (710, 26094), (852, 21745), (1065, 17396), (1420, 13047), (2130, 8698), (4260, 4349)]