17875521872

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{85940009}}^1$

素因数の和:85940030

約数の個数: 20

約数和(自身を含む): 37297964340

約数和(自身を除く): 19422442468

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 85940009, 171880018, 343760036, 687520072, 1117220117, 1375040144, 2234440234, 4468880468, 8937760936, 17875521872]

約数ペア:

[(1, 17875521872), (2, 8937760936), (4, 4468880468), (8, 2234440234), (13, 1375040144), (16, 1117220117), (26, 687520072), (52, 343760036), (104, 171880018), (208, 85940009)]