18540136

素因数分解:

$2^3\times {\mathrm{113}}^1\times {\mathrm{20509}}^1$

素因数の和:20628

約数の個数: 16

約数和(自身を含む): 35072100

約数和(自身を除く): 16531964

約数列:

[1, 2, 4, 8, 113, 226, 452, 904, 20509, 41018, 82036, 164072, 2317517, 4635034, 9270068, 18540136]

約数ペア:

[(1, 18540136), (2, 9270068), (4, 4635034), (8, 2317517), (113, 164072), (226, 82036), (452, 41018), (904, 20509)]