19713404

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{2213}}^1$

素因数の和:2365

約数の個数: 24

約数和(自身を含む): 36823248

約数和(自身を除く): 17109844

約数列:

[1, 2, 4, 17, 34, 68, 131, 262, 524, 2213, 2227, 4426, 4454, 8852, 8908, 37621, 75242, 150484, 289903, 579806, 1159612, 4928351, 9856702, 19713404]

約数ペア:

[(1, 19713404), (2, 9856702), (4, 4928351), (17, 1159612), (34, 579806), (68, 289903), (131, 150484), (262, 75242), (524, 37621), (2213, 8908), (2227, 8852), (4426, 4454)]