19985864

素因数分解:

$2^3\times {\mathrm{617}}^1\times {\mathrm{4049}}^1$

素因数の和:4672

約数の個数: 16

約数和(自身を含む): 37543500

約数和(自身を除く): 17557636

約数列:

[1, 2, 4, 8, 617, 1234, 2468, 4049, 4936, 8098, 16196, 32392, 2498233, 4996466, 9992932, 19985864]

約数ペア:

[(1, 19985864), (2, 9992932), (4, 4996466), (8, 2498233), (617, 32392), (1234, 16196), (2468, 8098), (4049, 4936)]