18402748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{3889}}^1$

素因数の和:3926

約数の個数: 36

約数和(自身を含む): 39864720

約数和(自身を除く): 21461972

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 169, 182, 338, 364, 676, 1183, 2366, 3889, 4732, 7778, 15556, 27223, 50557, 54446, 101114, 108892, 202228, 353899, 657241, 707798, 1314482, 1415596, 2628964, 4600687, 9201374, 18402748]

約数ペア:

[(1, 18402748), (2, 9201374), (4, 4600687), (7, 2628964), (13, 1415596), (14, 1314482), (26, 707798), (28, 657241), (52, 353899), (91, 202228), (169, 108892), (182, 101114), (338, 54446), (364, 50557), (676, 27223), (1183, 15556), (2366, 7778), (3889, 4732)]