1880086468

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{2781193}}^1$

素因数の和:2781223

約数の個数: 18

約数和(自身を含む): 3562709514

約数和(自身を除く): 1682623046

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 2781193, 5562386, 11124772, 36155509, 72311018, 144622036, 470021617, 940043234, 1880086468]

約数ペア:

[(1, 1880086468), (2, 940043234), (4, 470021617), (13, 144622036), (26, 72311018), (52, 36155509), (169, 11124772), (338, 5562386), (676, 2781193)]