18089864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{181}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 37952460

約数和(自身を除く): 19862596

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 181, 248, 362, 403, 724, 806, 961, 1448, 1612, 1922, 2353, 3224, 3844, 4706, 5611, 7688, 9412, 11222, 12493, 18824, 22444, 24986, 44888, 49972, 72943, 99944, 145886, 173941, 291772, 347882, 583544, 695764, 1391528, 2261233, 4522466, 9044932, 18089864]

約数ペア:

[(1, 18089864), (2, 9044932), (4, 4522466), (8, 2261233), (13, 1391528), (26, 695764), (31, 583544), (52, 347882), (62, 291772), (104, 173941), (124, 145886), (181, 99944), (248, 72943), (362, 49972), (403, 44888), (724, 24986), (806, 22444), (961, 18824), (1448, 12493), (1612, 11222), (1922, 9412), (2353, 7688), (3224, 5611), (3844, 4706)]