18534736

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{1987}}^1$

素因数の和:2059

約数の個数: 40

約数和(自身を含む): 39934944

約数和(自身を除く): 21400208

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 53, 88, 106, 176, 212, 424, 583, 848, 1166, 1987, 2332, 3974, 4664, 7948, 9328, 15896, 21857, 31792, 43714, 87428, 105311, 174856, 210622, 349712, 421244, 842488, 1158421, 1684976, 2316842, 4633684, 9267368, 18534736]

約数ペア:

[(1, 18534736), (2, 9267368), (4, 4633684), (8, 2316842), (11, 1684976), (16, 1158421), (22, 842488), (44, 421244), (53, 349712), (88, 210622), (106, 174856), (176, 105311), (212, 87428), (424, 43714), (583, 31792), (848, 21857), (1166, 15896), (1987, 9328), (2332, 7948), (3974, 4664)]