18875272

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{607}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 40055040

約数和(自身を除く): 21179768

約数列:

[1, 2, 4, 8, 13, 23, 26, 46, 52, 92, 104, 169, 184, 299, 338, 598, 607, 676, 1196, 1214, 1352, 2392, 2428, 3887, 4856, 7774, 7891, 13961, 15548, 15782, 27922, 31096, 31564, 55844, 63128, 102583, 111688, 181493, 205166, 362986, 410332, 725972, 820664, 1451944, 2359409, 4718818, 9437636, 18875272]

約数ペア:

[(1, 18875272), (2, 9437636), (4, 4718818), (8, 2359409), (13, 1451944), (23, 820664), (26, 725972), (46, 410332), (52, 362986), (92, 205166), (104, 181493), (169, 111688), (184, 102583), (299, 63128), (338, 55844), (598, 31564), (607, 31096), (676, 27922), (1196, 15782), (1214, 15548), (1352, 13961), (2392, 7891), (2428, 7774), (3887, 4856)]