20180881016

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{1291}}^1\times {\mathrm{114941}}^1$

素因数の和:116255

約数の個数: 32

約数和(自身を含む): 40096367280

約数和(自身を除く): 19915486264

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 1291, 2582, 5164, 10328, 21947, 43894, 87788, 114941, 175576, 229882, 459764, 919528, 1953997, 3907994, 7815988, 15631976, 148388831, 296777662, 593555324, 1187110648, 2522610127, 5045220254, 10090440508, 20180881016]

約数ペア:

[(1, 20180881016), (2, 10090440508), (4, 5045220254), (8, 2522610127), (17, 1187110648), (34, 593555324), (68, 296777662), (136, 148388831), (1291, 15631976), (2582, 7815988), (5164, 3907994), (10328, 1953997), (21947, 919528), (43894, 459764), (87788, 229882), (114941, 175576)]