18217366544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{87583493}}^1$

素因数の和:87583514

約数の個数: 20

約数和(自身を含む): 38011236396

約数和(自身を除く): 19793869852

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 87583493, 175166986, 350333972, 700667944, 1138585409, 1401335888, 2277170818, 4554341636, 9108683272, 18217366544]

約数ペア:

[(1, 18217366544), (2, 9108683272), (4, 4554341636), (8, 2277170818), (13, 1401335888), (16, 1138585409), (26, 700667944), (52, 350333972), (104, 175166986), (208, 87583493)]