18039280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{32213}}^1$

素因数の和:32233

約数の個数: 40

約数和(自身を含む): 47934432

約数和(自身を除く): 29895152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 32213, 64426, 128852, 161065, 225491, 257704, 322130, 450982, 515408, 644260, 901964, 1127455, 1288520, 1803928, 2254910, 2577040, 3607856, 4509820, 9019640, 18039280]

約数ペア:

[(1, 18039280), (2, 9019640), (4, 4509820), (5, 3607856), (7, 2577040), (8, 2254910), (10, 1803928), (14, 1288520), (16, 1127455), (20, 901964), (28, 644260), (35, 515408), (40, 450982), (56, 322130), (70, 257704), (80, 225491), (112, 161065), (140, 128852), (280, 64426), (560, 32213)]