18811024

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{571}}^1$

素因数の和:679

約数の個数: 40

約数和(自身を含む): 38301120

約数和(自身を除く): 19490096

約数列:

[1, 2, 4, 8, 16, 29, 58, 71, 116, 142, 232, 284, 464, 568, 571, 1136, 1142, 2059, 2284, 4118, 4568, 8236, 9136, 16472, 16559, 32944, 33118, 40541, 66236, 81082, 132472, 162164, 264944, 324328, 648656, 1175689, 2351378, 4702756, 9405512, 18811024]

約数ペア:

[(1, 18811024), (2, 9405512), (4, 4702756), (8, 2351378), (16, 1175689), (29, 648656), (58, 324328), (71, 264944), (116, 162164), (142, 132472), (232, 81082), (284, 66236), (464, 40541), (568, 33118), (571, 32944), (1136, 16559), (1142, 16472), (2059, 9136), (2284, 8236), (4118, 4568)]