17638868

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{97}}^1\times {\mathrm{269}}^1$

素因数の和:396

約数の個数: 36

約数和(自身を含む): 33895260

約数和(自身を除く): 16256392

約数列:

[1, 2, 4, 13, 26, 52, 97, 169, 194, 269, 338, 388, 538, 676, 1076, 1261, 2522, 3497, 5044, 6994, 13988, 16393, 26093, 32786, 45461, 52186, 65572, 90922, 104372, 181844, 339209, 678418, 1356836, 4409717, 8819434, 17638868]

約数ペア:

[(1, 17638868), (2, 8819434), (4, 4409717), (13, 1356836), (26, 678418), (52, 339209), (97, 181844), (169, 104372), (194, 90922), (269, 65572), (338, 52186), (388, 45461), (538, 32786), (676, 26093), (1076, 16393), (1261, 13988), (2522, 6994), (3497, 5044)]