19855010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{3187}}^1$

素因数の和:3290

約数の個数: 32

約数和(自身を含む): 41316480

約数和(自身を除く): 21461470

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 89, 178, 445, 623, 890, 1246, 3115, 3187, 6230, 6374, 15935, 22309, 31870, 44618, 111545, 223090, 283643, 567286, 1418215, 1985501, 2836430, 3971002, 9927505, 19855010]

約数ペア:

[(1, 19855010), (2, 9927505), (5, 3971002), (7, 2836430), (10, 1985501), (14, 1418215), (35, 567286), (70, 283643), (89, 223090), (178, 111545), (445, 44618), (623, 31870), (890, 22309), (1246, 15935), (3115, 6374), (3187, 6230)]