18237628

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{64217}}^1$

素因数の和:64292

約数の個数: 12

約数和(自身を含む): 32365872

約数和(自身を除く): 14128244

約数列:

[1, 2, 4, 71, 142, 284, 64217, 128434, 256868, 4559407, 9118814, 18237628]

約数ペア:

[(1, 18237628), (2, 9118814), (4, 4559407), (71, 256868), (142, 128434), (284, 64217)]