18010930

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:176

約数の個数: 64

約数和(自身を含む): 38880000

約数和(自身を除く): 20869070

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 59, 70, 89, 98, 118, 178, 245, 295, 343, 413, 445, 490, 590, 623, 686, 826, 890, 1246, 1715, 2065, 2891, 3115, 3430, 4130, 4361, 5251, 5782, 6230, 8722, 10502, 14455, 20237, 21805, 26255, 28910, 30527, 36757, 40474, 43610, 52510, 61054, 73514, 101185, 152635, 183785, 202370, 257299, 305270, 367570, 514598, 1286495, 1801093, 2572990, 3602186, 9005465, 18010930]

約数ペア:

[(1, 18010930), (2, 9005465), (5, 3602186), (7, 2572990), (10, 1801093), (14, 1286495), (35, 514598), (49, 367570), (59, 305270), (70, 257299), (89, 202370), (98, 183785), (118, 152635), (178, 101185), (245, 73514), (295, 61054), (343, 52510), (413, 43610), (445, 40474), (490, 36757), (590, 30527), (623, 28910), (686, 26255), (826, 21805), (890, 20237), (1246, 14455), (1715, 10502), (2065, 8722), (2891, 6230), (3115, 5782), (3430, 5251), (4130, 4361)]