18719756

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{7211}}^1$

素因数の和:7285

約数の個数: 24

約数和(自身を含む): 36348480

約数和(自身を除く): 17628724

約数列:

[1, 2, 4, 11, 22, 44, 59, 118, 236, 649, 1298, 2596, 7211, 14422, 28844, 79321, 158642, 317284, 425449, 850898, 1701796, 4679939, 9359878, 18719756]

約数ペア:

[(1, 18719756), (2, 9359878), (4, 4679939), (11, 1701796), (22, 850898), (44, 425449), (59, 317284), (118, 158642), (236, 79321), (649, 28844), (1298, 14422), (2596, 7211)]