2018221816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19405979}}^1$

素因数の和:19405998

約数の個数: 16

約数和(自身を含む): 4075255800

約数和(自身を除く): 2057033984

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 19405979, 38811958, 77623916, 155247832, 252277727, 504555454, 1009110908, 2018221816]

約数ペア:

[(1, 2018221816), (2, 1009110908), (4, 504555454), (8, 252277727), (13, 155247832), (26, 77623916), (52, 38811958), (104, 19405979)]