19830256

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{9461}}^1$

素因数の和:9600

約数の個数: 20

約数和(自身を含む): 38718504

約数和(自身を除く): 18888248

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 9461, 18922, 37844, 75688, 151376, 1239391, 2478782, 4957564, 9915128, 19830256]

約数ペア:

[(1, 19830256), (2, 9915128), (4, 4957564), (8, 2478782), (16, 1239391), (131, 151376), (262, 75688), (524, 37844), (1048, 18922), (2096, 9461)]